diff --git a/test/next_ls/runtime_test.exs b/test/next_ls/runtime_test.exs
index 962744ba..4834d7de 100644
--- a/test/next_ls/runtime_test.exs
+++ b/test/next_ls/runtime_test.exs
@@ -66,12 +66,18 @@ defmodule NextLs.RuntimeTest do
                  severity: :warning,
                  message:
                    "variable \"arg1\" is unused (if the variable is not meant to be used, prefix it with an underscore)",
-                 position: 2,
+                 position: position,
                  compiler_name: "Elixir",
                  details: nil
                }
              ] = Runtime.compile(pid)
 
+      if Version.match?(System.version(), ">= 1.15.0") do
+        assert position == {2, 11}
+      else
+        assert position == 2
+      end
+
       File.write!(file, """
       defmodule Bar do
         def foo(arg1) do
diff --git a/test/next_ls_test.exs b/test/next_ls_test.exs
index e32f5df5..f9697668 100644
--- a/test/next_ls_test.exs
+++ b/test/next_ls_test.exs
@@ -156,6 +156,8 @@ defmodule NextLSTest do
           path: Path.join([cwd, "lib", file])
         })
 
+      char = if Version.match?(System.version(), ">= 1.15.0"), do: 11, else: 0
+
       assert_notification "textDocument/publishDiagnostics", %{
         "uri" => ^uri,
         "diagnostics" => [
@@ -165,7 +167,7 @@ defmodule NextLSTest do
             "message" =>
               "variable \"arg1\" is unused (if the variable is not meant to be used, prefix it with an underscore)",
             "range" => %{
-              "start" => %{"line" => 1, "character" => 0},
+              "start" => %{"line" => 1, "character" => ^char},
               "end" => %{"line" => 1, "character" => 999}
             }
           }
diff --git a/test/test_helper.exs b/test/test_helper.exs
index fc000cd3..18118be6 100644
--- a/test/test_helper.exs
+++ b/test/test_helper.exs
@@ -1,6 +1,6 @@
 {:ok, _pid} = Node.start(:"nextls#{System.system_time()}", :shortnames)
 
-Logger.configure(level: :warn)
+Logger.configure(level: :warning)
 
 timeout =
   if System.get_env("CI", "false") == "true" do