diff --git a/crates/oxc_language_server/src/linter/server_linter.rs b/crates/oxc_language_server/src/linter/server_linter.rs
index 0f679ac75f6f7..6a430086d640c 100644
--- a/crates/oxc_language_server/src/linter/server_linter.rs
+++ b/crates/oxc_language_server/src/linter/server_linter.rs
@@ -562,9 +562,7 @@ mod test {
     #[test]
     fn test_cross_module_no_cycle_nested_config() {
         Tester::new("fixtures/linter/cross_module_nested_config", None)
-            .test_and_snapshot_single_file("dep-a.ts");
-        Tester::new("fixtures/linter/cross_module_nested_config", None)
-            .test_and_snapshot_single_file("folder/folder-dep-a.ts");
+            .test_and_snapshot_multiple_file(&["dep-a.ts", "folder/folder-dep-a.ts"]);
     }
 
     #[test]
@@ -603,8 +601,10 @@ mod test {
     #[test]
     fn test_root_ignore_patterns() {
         let tester = Tester::new("fixtures/linter/ignore_patterns", None);
-        tester.test_and_snapshot_single_file("ignored-file.ts");
-        tester.test_and_snapshot_single_file("another_config/not-ignored-file.ts");
+        tester.test_and_snapshot_multiple_file(&[
+            "ignored-file.ts",
+            "another_config/not-ignored-file.ts",
+        ]);
     }
 
     #[test]
diff --git a/crates/oxc_language_server/src/snapshots/fixtures_linter_astro@debugger.astro.snap b/crates/oxc_language_server/src/snapshots/fixtures_linter_astro@debugger.astro.snap
index 35121d21b506e..2543ae92e5a33 100644
--- a/crates/oxc_language_server/src/snapshots/fixtures_linter_astro@debugger.astro.snap
+++ b/crates/oxc_language_server/src/snapshots/fixtures_linter_astro@debugger.astro.snap
@@ -1,7 +1,10 @@
 ---
 source: crates/oxc_language_server/src/tester.rs
-input_file: crates/oxc_language_server/fixtures/linter/astro/debugger.astro
 ---
+########## 
+file: fixtures/linter/astro/debugger.astro
+----------
+
 code: "eslint(no-debugger)"
 code_description.href: "https://oxc.rs/docs/guide/usage/linter/rules/eslint/no-debugger.html"
 message: "`debugger` statement is not allowed\nhelp: Remove the debugger statement"
diff --git a/crates/oxc_language_server/src/snapshots/fixtures_linter_cross_module@debugger.ts.snap b/crates/oxc_language_server/src/snapshots/fixtures_linter_cross_module@debugger.ts.snap
index 45a5cbf047e57..64f9851996faa 100644
--- a/crates/oxc_language_server/src/snapshots/fixtures_linter_cross_module@debugger.ts.snap
+++ b/crates/oxc_language_server/src/snapshots/fixtures_linter_cross_module@debugger.ts.snap
@@ -1,7 +1,10 @@
 ---
 source: crates/oxc_language_server/src/tester.rs
-input_file: crates/oxc_language_server/fixtures/linter/cross_module/debugger.ts
 ---
+########## 
+file: fixtures/linter/cross_module/debugger.ts
+----------
+
 code: "eslint(no-debugger)"
 code_description.href: "https://oxc.rs/docs/guide/usage/linter/rules/eslint/no-debugger.html"
 message: "`debugger` statement is not allowed\nhelp: Remove the debugger statement"
diff --git a/crates/oxc_language_server/src/snapshots/fixtures_linter_cross_module@dep-a.ts.snap b/crates/oxc_language_server/src/snapshots/fixtures_linter_cross_module@dep-a.ts.snap
index 03bc924989aee..4e87629705d0a 100644
--- a/crates/oxc_language_server/src/snapshots/fixtures_linter_cross_module@dep-a.ts.snap
+++ b/crates/oxc_language_server/src/snapshots/fixtures_linter_cross_module@dep-a.ts.snap
@@ -1,7 +1,10 @@
 ---
 source: crates/oxc_language_server/src/tester.rs
-input_file: crates/oxc_language_server/fixtures/linter/cross_module/dep-a.ts
 ---
+########## 
+file: fixtures/linter/cross_module/dep-a.ts
+----------
+
 code: "eslint-plugin-import(no-cycle)"
 code_description.href: "https://oxc.rs/docs/guide/usage/linter/rules/import/no-cycle.html"
 message: "Dependency cycle detected\nhelp: These paths form a cycle: \n-> ./dep-b.ts - fixtures/linter/cross_module/dep-b.ts\n-> ./dep-a.ts - fixtures/linter/cross_module/dep-a.ts"
diff --git a/crates/oxc_language_server/src/snapshots/fixtures_linter_cross_module_extended_config@dep-a.ts.snap b/crates/oxc_language_server/src/snapshots/fixtures_linter_cross_module_extended_config@dep-a.ts.snap
index bd5bce624476e..f3bfbaa540109 100644
--- a/crates/oxc_language_server/src/snapshots/fixtures_linter_cross_module_extended_config@dep-a.ts.snap
+++ b/crates/oxc_language_server/src/snapshots/fixtures_linter_cross_module_extended_config@dep-a.ts.snap
@@ -1,7 +1,10 @@
 ---
 source: crates/oxc_language_server/src/tester.rs
-input_file: crates/oxc_language_server/fixtures/linter/cross_module_extended_config/dep-a.ts
 ---
+########## 
+file: fixtures/linter/cross_module_extended_config/dep-a.ts
+----------
+
 code: "eslint-plugin-import(no-cycle)"
 code_description.href: "https://oxc.rs/docs/guide/usage/linter/rules/import/no-cycle.html"
 message: "Dependency cycle detected\nhelp: These paths form a cycle: \n-> ./dep-b.ts - fixtures/linter/cross_module_extended_config/dep-b.ts\n-> ./dep-a.ts - fixtures/linter/cross_module_extended_config/dep-a.ts"
diff --git a/crates/oxc_language_server/src/snapshots/fixtures_linter_cross_module_nested_config@dep-a.ts.snap b/crates/oxc_language_server/src/snapshots/fixtures_linter_cross_module_nested_config@dep-a.ts.snap
deleted file mode 100644
index 39dea74a73f66..0000000000000
--- a/crates/oxc_language_server/src/snapshots/fixtures_linter_cross_module_nested_config@dep-a.ts.snap
+++ /dev/null
@@ -1,5 +0,0 @@
----
-source: crates/oxc_language_server/src/tester.rs
-input_file: crates/oxc_language_server/fixtures/linter/cross_module_nested_config/dep-a.ts
----
-No diagnostic reports
diff --git a/crates/oxc_language_server/src/snapshots/fixtures_linter_cross_module_nested_config@folder_folder-dep-a.ts.snap b/crates/oxc_language_server/src/snapshots/fixtures_linter_cross_module_nested_config@dep-a.ts_folder__folder-dep-a.ts.snap
similarity index 81%
rename from crates/oxc_language_server/src/snapshots/fixtures_linter_cross_module_nested_config@folder_folder-dep-a.ts.snap
rename to crates/oxc_language_server/src/snapshots/fixtures_linter_cross_module_nested_config@dep-a.ts_folder__folder-dep-a.ts.snap
index 6d7e5edeb8ce2..b5970ee66f7ea 100644
--- a/crates/oxc_language_server/src/snapshots/fixtures_linter_cross_module_nested_config@folder_folder-dep-a.ts.snap
+++ b/crates/oxc_language_server/src/snapshots/fixtures_linter_cross_module_nested_config@dep-a.ts_folder__folder-dep-a.ts.snap
@@ -1,7 +1,14 @@
 ---
 source: crates/oxc_language_server/src/tester.rs
-input_file: crates/oxc_language_server/fixtures/linter/cross_module_nested_config/folder/folder-dep-a.ts
 ---
+########## 
+file: fixtures/linter/cross_module_nested_config/dep-a.ts
+----------
+No diagnostic reports
+########## 
+file: fixtures/linter/cross_module_nested_config/folder/folder-dep-a.ts
+----------
+
 code: "eslint-plugin-import(no-cycle)"
 code_description.href: "https://oxc.rs/docs/guide/usage/linter/rules/import/no-cycle.html"
 message: "Dependency cycle detected\nhelp: These paths form a cycle: \n-> ./folder-dep-b.ts - fixtures/linter/cross_module_nested_config/folder/folder-dep-b.ts\n-> ./folder-dep-a.ts - fixtures/linter/cross_module_nested_config/folder/folder-dep-a.ts"
diff --git a/crates/oxc_language_server/src/snapshots/fixtures_linter_deny_no_console@hello_world.js.snap b/crates/oxc_language_server/src/snapshots/fixtures_linter_deny_no_console@hello_world.js.snap
index 72830443424d0..cc6783346767a 100644
--- a/crates/oxc_language_server/src/snapshots/fixtures_linter_deny_no_console@hello_world.js.snap
+++ b/crates/oxc_language_server/src/snapshots/fixtures_linter_deny_no_console@hello_world.js.snap
@@ -1,7 +1,10 @@
 ---
 source: crates/oxc_language_server/src/tester.rs
-input_file: crates/oxc_language_server/fixtures/linter/deny_no_console/hello_world.js
 ---
+########## 
+file: fixtures/linter/deny_no_console/hello_world.js
+----------
+
 code: "eslint(no-console)"
 code_description.href: "https://oxc.rs/docs/guide/usage/linter/rules/eslint/no-console.html"
 message: "Unexpected console statement.\nhelp: Delete this console statement."
diff --git a/crates/oxc_language_server/src/snapshots/fixtures_linter_ignore_patterns@ignored-file.ts.snap b/crates/oxc_language_server/src/snapshots/fixtures_linter_ignore_patterns@ignored-file.ts.snap
deleted file mode 100644
index 16dc41deb8a5c..0000000000000
--- a/crates/oxc_language_server/src/snapshots/fixtures_linter_ignore_patterns@ignored-file.ts.snap
+++ /dev/null
@@ -1,5 +0,0 @@
----
-source: crates/oxc_language_server/src/tester.rs
-input_file: crates/oxc_language_server/fixtures/linter/ignore_patterns/ignored-file.ts
----
-File is ignored
diff --git a/crates/oxc_language_server/src/snapshots/fixtures_linter_ignore_patterns@another_config_not-ignored-file.ts.snap b/crates/oxc_language_server/src/snapshots/fixtures_linter_ignore_patterns@ignored-file.ts_another_config__not-ignored-file.ts.snap
similarity index 82%
rename from crates/oxc_language_server/src/snapshots/fixtures_linter_ignore_patterns@another_config_not-ignored-file.ts.snap
rename to crates/oxc_language_server/src/snapshots/fixtures_linter_ignore_patterns@ignored-file.ts_another_config__not-ignored-file.ts.snap
index f6e01a9b62e16..78922b319beb1 100644
--- a/crates/oxc_language_server/src/snapshots/fixtures_linter_ignore_patterns@another_config_not-ignored-file.ts.snap
+++ b/crates/oxc_language_server/src/snapshots/fixtures_linter_ignore_patterns@ignored-file.ts_another_config__not-ignored-file.ts.snap
@@ -1,7 +1,14 @@
 ---
 source: crates/oxc_language_server/src/tester.rs
-input_file: crates/oxc_language_server/fixtures/linter/ignore_patterns/another_config/not-ignored-file.ts
 ---
+########## 
+file: fixtures/linter/ignore_patterns/ignored-file.ts
+----------
+File is ignored
+########## 
+file: fixtures/linter/ignore_patterns/another_config/not-ignored-file.ts
+----------
+
 code: "eslint(no-debugger)"
 code_description.href: "https://oxc.rs/docs/guide/usage/linter/rules/eslint/no-debugger.html"
 message: "`debugger` statement is not allowed\nhelp: Remove the debugger statement"
diff --git a/crates/oxc_language_server/src/snapshots/fixtures_linter_invalid_syntax@debugger.ts.snap b/crates/oxc_language_server/src/snapshots/fixtures_linter_invalid_syntax@debugger.ts.snap
index d7ba5f5c203d4..ee3385228e0f5 100644
--- a/crates/oxc_language_server/src/snapshots/fixtures_linter_invalid_syntax@debugger.ts.snap
+++ b/crates/oxc_language_server/src/snapshots/fixtures_linter_invalid_syntax@debugger.ts.snap
@@ -1,7 +1,10 @@
 ---
 source: crates/oxc_language_server/src/tester.rs
-input_file: crates/oxc_language_server/fixtures/linter/invalid_syntax/debugger.ts
 ---
+########## 
+file: fixtures/linter/invalid_syntax/debugger.ts
+----------
+
 code: ""
 code_description.href: "None"
 message: "Unexpected token"
diff --git a/crates/oxc_language_server/src/snapshots/fixtures_linter_issue_9958@issue.ts.snap b/crates/oxc_language_server/src/snapshots/fixtures_linter_issue_9958@issue.ts.snap
index 0497ae70bc2b9..94207d06b1512 100644
--- a/crates/oxc_language_server/src/snapshots/fixtures_linter_issue_9958@issue.ts.snap
+++ b/crates/oxc_language_server/src/snapshots/fixtures_linter_issue_9958@issue.ts.snap
@@ -1,7 +1,10 @@
 ---
 source: crates/oxc_language_server/src/tester.rs
-input_file: crates/oxc_language_server/fixtures/linter/issue_9958/issue.ts
 ---
+########## 
+file: fixtures/linter/issue_9958/issue.ts
+----------
+
 code: "eslint(no-extra-boolean-cast)"
 code_description.href: "https://oxc.rs/docs/guide/usage/linter/rules/eslint/no-extra-boolean-cast.html"
 message: "Redundant double negation\nhelp: Remove the double negation as it will already be coerced to a boolean"
diff --git a/crates/oxc_language_server/src/snapshots/fixtures_linter_lint_on_run_on_save@on-save.ts.snap b/crates/oxc_language_server/src/snapshots/fixtures_linter_lint_on_run_on_save@on-save.ts.snap
index 49bd8796b0f76..b79fb5d1b473c 100644
--- a/crates/oxc_language_server/src/snapshots/fixtures_linter_lint_on_run_on_save@on-save.ts.snap
+++ b/crates/oxc_language_server/src/snapshots/fixtures_linter_lint_on_run_on_save@on-save.ts.snap
@@ -1,7 +1,10 @@
 ---
 source: crates/oxc_language_server/src/tester.rs
-input_file: crates/oxc_language_server/fixtures/linter/lint_on_run/on_save/on-save.ts
 ---
+########## 
+file: fixtures/linter/lint_on_run/on_save/on-save.ts
+----------
+
 code: "typescript-eslint(no-floating-promises)"
 code_description.href: "None"
 message: "Promises must be awaited.\nhelp: The promise must end with a call to .catch, or end with a call to .then with a rejection handler, or be explicitly marked as ignored with the `void` operator."
diff --git a/crates/oxc_language_server/src/snapshots/fixtures_linter_lint_on_run_on_save@on-type.ts.snap b/crates/oxc_language_server/src/snapshots/fixtures_linter_lint_on_run_on_save@on-type.ts.snap
index ec053ebe9330f..dfced02e27672 100644
--- a/crates/oxc_language_server/src/snapshots/fixtures_linter_lint_on_run_on_save@on-type.ts.snap
+++ b/crates/oxc_language_server/src/snapshots/fixtures_linter_lint_on_run_on_save@on-type.ts.snap
@@ -1,5 +1,7 @@
 ---
 source: crates/oxc_language_server/src/tester.rs
-input_file: crates/oxc_language_server/fixtures/linter/lint_on_run/on_save/on-type.ts
 ---
+########## 
+file: fixtures/linter/lint_on_run/on_save/on-type.ts
+----------
 File is ignored
diff --git a/crates/oxc_language_server/src/snapshots/fixtures_linter_lint_on_run_on_type@on-save-no-type-aware.ts.snap b/crates/oxc_language_server/src/snapshots/fixtures_linter_lint_on_run_on_type@on-save-no-type-aware.ts.snap
index 90415976a0380..e2d3269a67f6b 100644
--- a/crates/oxc_language_server/src/snapshots/fixtures_linter_lint_on_run_on_type@on-save-no-type-aware.ts.snap
+++ b/crates/oxc_language_server/src/snapshots/fixtures_linter_lint_on_run_on_type@on-save-no-type-aware.ts.snap
@@ -1,5 +1,7 @@
 ---
 source: crates/oxc_language_server/src/tester.rs
-input_file: crates/oxc_language_server/fixtures/linter/lint_on_run/on_type/on-save-no-type-aware.ts
 ---
+########## 
+file: fixtures/linter/lint_on_run/on_type/on-save-no-type-aware.ts
+----------
 File is ignored
diff --git a/crates/oxc_language_server/src/snapshots/fixtures_linter_lint_on_run_on_type@on-save.ts.snap b/crates/oxc_language_server/src/snapshots/fixtures_linter_lint_on_run_on_type@on-save.ts.snap
index 319a56cd5dc2a..9e82447af607e 100644
--- a/crates/oxc_language_server/src/snapshots/fixtures_linter_lint_on_run_on_type@on-save.ts.snap
+++ b/crates/oxc_language_server/src/snapshots/fixtures_linter_lint_on_run_on_type@on-save.ts.snap
@@ -1,7 +1,10 @@
 ---
 source: crates/oxc_language_server/src/tester.rs
-input_file: crates/oxc_language_server/fixtures/linter/lint_on_run/on_type/on-save.ts
 ---
+########## 
+file: fixtures/linter/lint_on_run/on_type/on-save.ts
+----------
+
 code: "eslint(no-debugger)"
 code_description.href: "https://oxc.rs/docs/guide/usage/linter/rules/eslint/no-debugger.html"
 message: "`debugger` statement is not allowed\nhelp: Remove the debugger statement"
diff --git a/crates/oxc_language_server/src/snapshots/fixtures_linter_lint_on_run_on_type@on-type.ts.snap b/crates/oxc_language_server/src/snapshots/fixtures_linter_lint_on_run_on_type@on-type.ts.snap
index a3ad066ff3c33..fbe7b694f7881 100644
--- a/crates/oxc_language_server/src/snapshots/fixtures_linter_lint_on_run_on_type@on-type.ts.snap
+++ b/crates/oxc_language_server/src/snapshots/fixtures_linter_lint_on_run_on_type@on-type.ts.snap
@@ -1,7 +1,10 @@
 ---
 source: crates/oxc_language_server/src/tester.rs
-input_file: crates/oxc_language_server/fixtures/linter/lint_on_run/on_type/on-type.ts
 ---
+########## 
+file: fixtures/linter/lint_on_run/on_type/on-type.ts
+----------
+
 code: "eslint(no-debugger)"
 code_description.href: "https://oxc.rs/docs/guide/usage/linter/rules/eslint/no-debugger.html"
 message: "`debugger` statement is not allowed\nhelp: Remove the debugger statement"
diff --git a/crates/oxc_language_server/src/snapshots/fixtures_linter_multiple_suggestions@forward_ref.ts.snap b/crates/oxc_language_server/src/snapshots/fixtures_linter_multiple_suggestions@forward_ref.ts.snap
index d378963bd1dc6..bf711ae766ccc 100644
--- a/crates/oxc_language_server/src/snapshots/fixtures_linter_multiple_suggestions@forward_ref.ts.snap
+++ b/crates/oxc_language_server/src/snapshots/fixtures_linter_multiple_suggestions@forward_ref.ts.snap
@@ -1,7 +1,10 @@
 ---
 source: crates/oxc_language_server/src/tester.rs
-input_file: crates/oxc_language_server/fixtures/linter/multiple_suggestions/forward_ref.ts
 ---
+########## 
+file: fixtures/linter/multiple_suggestions/forward_ref.ts
+----------
+
 code: "eslint-plugin-react(forward-ref-uses-ref)"
 code_description.href: "https://oxc.rs/docs/guide/usage/linter/rules/react/forward-ref-uses-ref.html"
 message: "Components wrapped with `forwardRef` must have a `ref` parameter\nhelp: Add a `ref` parameter, or remove `forwardRef`"
diff --git a/crates/oxc_language_server/src/snapshots/fixtures_linter_no_errors@hello_world.js.snap b/crates/oxc_language_server/src/snapshots/fixtures_linter_no_errors@hello_world.js.snap
index ac3818198bf62..cde1767321f06 100644
--- a/crates/oxc_language_server/src/snapshots/fixtures_linter_no_errors@hello_world.js.snap
+++ b/crates/oxc_language_server/src/snapshots/fixtures_linter_no_errors@hello_world.js.snap
@@ -1,5 +1,7 @@
 ---
 source: crates/oxc_language_server/src/tester.rs
-input_file: crates/oxc_language_server/fixtures/linter/no_errors/hello_world.js
 ---
+########## 
+file: fixtures/linter/no_errors/hello_world.js
+----------
 No diagnostic reports
diff --git a/crates/oxc_language_server/src/snapshots/fixtures_linter_regexp_feature@index.ts.snap b/crates/oxc_language_server/src/snapshots/fixtures_linter_regexp_feature@index.ts.snap
index 7093e9cf0bc34..6e5c3f548fd85 100644
--- a/crates/oxc_language_server/src/snapshots/fixtures_linter_regexp_feature@index.ts.snap
+++ b/crates/oxc_language_server/src/snapshots/fixtures_linter_regexp_feature@index.ts.snap
@@ -1,7 +1,10 @@
 ---
 source: crates/oxc_language_server/src/tester.rs
-input_file: crates/oxc_language_server/fixtures/linter/regexp_feature/index.ts
 ---
+########## 
+file: fixtures/linter/regexp_feature/index.ts
+----------
+
 code: "eslint(no-control-regex)"
 code_description.href: "https://oxc.rs/docs/guide/usage/linter/rules/eslint/no-control-regex.html"
 message: "Unexpected control character\nhelp: '\\u0000' is a control character."
diff --git a/crates/oxc_language_server/src/snapshots/fixtures_linter_svelte@debugger.svelte.snap b/crates/oxc_language_server/src/snapshots/fixtures_linter_svelte@debugger.svelte.snap
index 8db8e490734b1..7bab73a3bc470 100644
--- a/crates/oxc_language_server/src/snapshots/fixtures_linter_svelte@debugger.svelte.snap
+++ b/crates/oxc_language_server/src/snapshots/fixtures_linter_svelte@debugger.svelte.snap
@@ -1,7 +1,10 @@
 ---
 source: crates/oxc_language_server/src/tester.rs
-input_file: crates/oxc_language_server/fixtures/linter/svelte/debugger.svelte
 ---
+########## 
+file: fixtures/linter/svelte/debugger.svelte
+----------
+
 code: "eslint(no-unassigned-vars)"
 code_description.href: "https://oxc.rs/docs/guide/usage/linter/rules/eslint/no-unassigned-vars.html"
 message: "'title' is always 'undefined' because it's never assigned.\nhelp: Variable declared without assignment. Either assign a value or remove the declaration."
diff --git a/crates/oxc_language_server/src/snapshots/fixtures_linter_ts_path_alias@deep_src_dep-a.ts.snap b/crates/oxc_language_server/src/snapshots/fixtures_linter_ts_path_alias@deep__src__dep-a.ts.snap
similarity index 90%
rename from crates/oxc_language_server/src/snapshots/fixtures_linter_ts_path_alias@deep_src_dep-a.ts.snap
rename to crates/oxc_language_server/src/snapshots/fixtures_linter_ts_path_alias@deep__src__dep-a.ts.snap
index 466fc3f3abb3b..66e26da914d61 100644
--- a/crates/oxc_language_server/src/snapshots/fixtures_linter_ts_path_alias@deep_src_dep-a.ts.snap
+++ b/crates/oxc_language_server/src/snapshots/fixtures_linter_ts_path_alias@deep__src__dep-a.ts.snap
@@ -1,7 +1,10 @@
 ---
 source: crates/oxc_language_server/src/tester.rs
-input_file: crates/oxc_language_server/fixtures/linter/ts_path_alias/deep/src/dep-a.ts
 ---
+########## 
+file: fixtures/linter/ts_path_alias/deep/src/dep-a.ts
+----------
+
 code: "eslint-plugin-import(no-cycle)"
 code_description.href: "https://oxc.rs/docs/guide/usage/linter/rules/import/no-cycle.html"
 message: "Dependency cycle detected\nhelp: These paths form a cycle: \n-> @/dep-b - fixtures/linter/ts_path_alias/deep/src/dep-b.ts\n-> ./dep-a.ts - fixtures/linter/ts_path_alias/deep/src/dep-a.ts"
diff --git a/crates/oxc_language_server/src/snapshots/fixtures_linter_tsgolint@no-floating-promises_index.ts.snap b/crates/oxc_language_server/src/snapshots/fixtures_linter_tsgolint@no-floating-promises__index.ts.snap
similarity index 98%
rename from crates/oxc_language_server/src/snapshots/fixtures_linter_tsgolint@no-floating-promises_index.ts.snap
rename to crates/oxc_language_server/src/snapshots/fixtures_linter_tsgolint@no-floating-promises__index.ts.snap
index 2464aa1d443f3..cf5ffe41bc6a4 100644
--- a/crates/oxc_language_server/src/snapshots/fixtures_linter_tsgolint@no-floating-promises_index.ts.snap
+++ b/crates/oxc_language_server/src/snapshots/fixtures_linter_tsgolint@no-floating-promises__index.ts.snap
@@ -1,7 +1,10 @@
 ---
 source: crates/oxc_language_server/src/tester.rs
-input_file: crates/oxc_language_server/fixtures/linter/tsgolint/no-floating-promises/index.ts
 ---
+########## 
+file: fixtures/linter/tsgolint/no-floating-promises/index.ts
+----------
+
 code: "typescript-eslint(no-floating-promises)"
 code_description.href: "None"
 message: "Promises must be awaited.\nhelp: The promise must end with a call to .catch, or end with a call to .then with a rejection handler, or be explicitly marked as ignored with the `void` operator."
diff --git a/crates/oxc_language_server/src/snapshots/fixtures_linter_unused_disabled_directives@test.js.snap b/crates/oxc_language_server/src/snapshots/fixtures_linter_unused_disabled_directives@test.js.snap
index f55f5e8f96340..404ce24a3c44a 100644
--- a/crates/oxc_language_server/src/snapshots/fixtures_linter_unused_disabled_directives@test.js.snap
+++ b/crates/oxc_language_server/src/snapshots/fixtures_linter_unused_disabled_directives@test.js.snap
@@ -1,7 +1,10 @@
 ---
 source: crates/oxc_language_server/src/tester.rs
-input_file: crates/oxc_language_server/fixtures/linter/unused_disabled_directives/test.js
 ---
+########## 
+file: fixtures/linter/unused_disabled_directives/test.js
+----------
+
 code: "eslint(no-console)"
 code_description.href: "https://oxc.rs/docs/guide/usage/linter/rules/eslint/no-console.html"
 message: "Unexpected console statement.\nhelp: Delete this console statement."
diff --git a/crates/oxc_language_server/src/snapshots/fixtures_linter_vue@debugger.vue.snap b/crates/oxc_language_server/src/snapshots/fixtures_linter_vue@debugger.vue.snap
index c4f2946f3ffa6..23456c2bc83f1 100644
--- a/crates/oxc_language_server/src/snapshots/fixtures_linter_vue@debugger.vue.snap
+++ b/crates/oxc_language_server/src/snapshots/fixtures_linter_vue@debugger.vue.snap
@@ -1,7 +1,10 @@
 ---
 source: crates/oxc_language_server/src/tester.rs
-input_file: crates/oxc_language_server/fixtures/linter/vue/debugger.vue
 ---
+########## 
+file: fixtures/linter/vue/debugger.vue
+----------
+
 code: "eslint(no-debugger)"
 code_description.href: "https://oxc.rs/docs/guide/usage/linter/rules/eslint/no-debugger.html"
 message: "`debugger` statement is not allowed\nhelp: Remove the debugger statement"
diff --git a/crates/oxc_language_server/src/tester.rs b/crates/oxc_language_server/src/tester.rs
index f4460f588493d..2f52c30e5691b 100644
--- a/crates/oxc_language_server/src/tester.rs
+++ b/crates/oxc_language_server/src/tester.rs
@@ -129,46 +129,68 @@ impl Tester<'_> {
         );
     }
 
-    #[expect(clippy::disallowed_methods)]
+    pub fn test_and_snapshot_multiple_file(&self, relative_file_paths: &[&str]) {
+        self.test_and_snapshot_multiple_file_with_run_type(
+            relative_file_paths,
+            self.options.as_ref().map_or(Run::default(), |o| o.run),
+        );
+    }
+
     pub fn test_and_snapshot_single_file_with_run_type(
         &self,
         relative_file_path: &str,
         run_type: Run,
     ) {
-        let uri = get_file_uri(&format!("{}/{}", self.relative_root_dir, relative_file_path));
-        let reports = tokio::runtime::Runtime::new().unwrap().block_on(async {
-            self.create_workspace_worker()
-                .await
-                .lint_file(
-                    &uri,
-                    None,
-                    match run_type {
-                        Run::OnSave => ServerLinterRun::OnSave,
-                        Run::OnType => ServerLinterRun::OnType,
-                    },
-                )
-                .await
-        });
-        let snapshot = if let Some(reports) = reports {
-            if reports.is_empty() {
-                "No diagnostic reports".to_string()
+        self.test_and_snapshot_multiple_file_with_run_type(&[relative_file_path], run_type);
+    }
+
+    #[expect(clippy::disallowed_methods)]
+    pub fn test_and_snapshot_multiple_file_with_run_type(
+        &self,
+        relative_file_paths: &[&str],
+        run_type: Run,
+    ) {
+        let mut snapshot_result = String::new();
+        for relative_file_path in relative_file_paths {
+            let uri = get_file_uri(&format!("{}/{}", self.relative_root_dir, relative_file_path));
+            let reports = tokio::runtime::Runtime::new().unwrap().block_on(async {
+                self.create_workspace_worker()
+                    .await
+                    .lint_file(
+                        &uri,
+                        None,
+                        match run_type {
+                            Run::OnSave => ServerLinterRun::OnSave,
+                            Run::OnType => ServerLinterRun::OnType,
+                        },
+                    )
+                    .await
+            });
+
+            let snapshot = if let Some(reports) = reports {
+                if reports.is_empty() {
+                    "No diagnostic reports".to_string()
+                } else {
+                    reports.iter().map(get_snapshot_from_report).collect::<Vec<_>>().join("\n")
+                }
             } else {
-                reports.iter().map(get_snapshot_from_report).collect::<Vec<_>>().join("\n")
-            }
-        } else {
-            "File is ignored".to_string()
-        };
+                "File is ignored".to_string()
+            };
+
+            let _ = write!(
+                snapshot_result,
+                "########## \nfile: {}/{relative_file_path}\n----------\n{snapshot}\n",
+                self.relative_root_dir
+            );
+        }
 
         let snapshot_name = self.relative_root_dir.replace('/', "_");
         let mut settings = insta::Settings::clone_current();
         settings.set_prepend_module_to_snapshot(false);
         settings.set_omit_expression(true);
-        if let Some(path) = uri.to_file_path() {
-            settings.set_input_file(path.as_ref());
-        }
-        settings.set_snapshot_suffix(relative_file_path.replace('/', "_"));
+        settings.set_snapshot_suffix(relative_file_paths.join("_").replace('\\', "/"));
         settings.bind(|| {
-            insta::assert_snapshot!(snapshot_name, snapshot);
+            insta::assert_snapshot!(snapshot_name, snapshot_result);
         });
     }
 }