fix(test): remove quotes from string variables in test.each

src/bun.js/test/jest.zig

@@ -384,9 +384,17 @@ pub fn formatLabel(globalThis: *JSGlobalObject, label: string, function_args: []
                 const var_path = label[var_start..var_end];
                 const value = try function_args[0].getIfPropertyExistsFromPath(globalThis, bun.String.init(var_path).toJS(globalThis));
                 if (!value.isEmptyOrUndefinedOrNull()) {
-                    var formatter = jsc.ConsoleObject.Formatter{ .globalThis = globalThis, .quote_strings = true };
-                    defer formatter.deinit();
-                    bun.handleOom(list.writer().print("{}", .{value.toFmt(&formatter)}));
+                    // For primitive strings, use toString() to avoid adding quotes
+                    // This matches Jest's behavior (https://github.com/jestjs/jest/issues/7689)
+                    if (value.isString()) {
+                        const owned_slice = try value.toSliceOrNull(globalThis);
+                        defer owned_slice.deinit();
+                        bun.handleOom(list.appendSlice(owned_slice.slice()));
+                    } else {
+                        var formatter = jsc.ConsoleObject.Formatter{ .globalThis = globalThis, .quote_strings = true };
+                        defer formatter.deinit();
+                        bun.handleOom(list.writer().print("{}", .{value.toFmt(&formatter)}));
+                    }
                     idx = var_end;
                     continue;
                 }

test/regression/issue/23206.test.ts

@@ -0,0 +1,13 @@
+// https://github.com/oven-sh/bun/issues/23206
+import { expect, test } from "bun:test";
+
+test.each(["apple", "banana"])("fruit #%# is %s", fruit => {
+  // Test name should be "fruit #0 is apple" and "fruit #1 is banana"
+  expect(["apple", "banana"]).toContain(fruit);
+});
+
+test.each([{ name: "apple" }, { name: "banana" }])("fruit #%# is $name", fruit => {
+  // Test name should be "fruit #0 is apple" and "fruit #1 is banana"
+  // NOT "fruit #0 is "apple"" and "fruit #1 is "banana""
+  expect(["apple", "banana"]).toContain(fruit.name);
+});