diff --git a/fileutil/file_test.go b/fileutil/file_test.go
index 6ee5956..b841d21 100644
--- a/fileutil/file_test.go
+++ b/fileutil/file_test.go
@@ -79,7 +79,7 @@ func TestListFileNames(t *testing.T) {
 	filesInPath, err := ListFileNames("../datetime/")
 	assert.IsNil(err)
 
-	expected := []string{"datetime.go", "datetime_test.go"}
+	expected := []string{"conversion.go", "conversion_test.go", "datetime.go", "datetime_test.go"}
 	assert.Equal(expected, filesInPath)
 }