Fixed linter issue by adding t.Parallel()

Author: rainkwan

internal/provider/validate_test.go

@@ -1143,6 +1143,7 @@ func TestLoadAllowedSubcategories(t *testing.T) {
 
 	for name, testCase := range testCases {
 		t.Run(name, func(t *testing.T) {
+			t.Parallel()
 			v := &validator{}
 			expected := []string{"CategoryOne", "CategoryTwo", "CategoryThree"}