Remove unittest import from disabled occurrences test file
diff --git a/angular_analyzer_plugin/test/occurrences_test.dart b/angular_analyzer_plugin/test/occurrences_test.dart
index 482cbb5..7d7630a 100644
--- a/angular_analyzer_plugin/test/occurrences_test.dart
+++ b/angular_analyzer_plugin/test/occurrences_test.dart
@@ -1,5 +1,5 @@
 import 'package:test_reflective_loader/test_reflective_loader.dart';
-import 'package:unittest/unittest.dart';
+import 'package:test/test.dart';
 
 void main() {
   defineReflectiveSuite(() {