}
}

func mustRemoveAll(dir string) {
	err := os.RemoveAll(dir)
	if err != nil {
		panic(err)
	}
}

func TestFileServerImplicitLeadingSlash(t *testing.T) { run(t, testFileServerImplicitLeadingSlash) }
func testFileServerImplicitLeadingSlash(t *testing.T, mode testMode) {
	tempDir := t.TempDir()
	if err := os.WriteFile(filepath.Join(tempDir, "foo.txt"), []byte("Hello world"), 0644); err != nil {