@NotNull
 @Override
 public JstdTestFileStructure buildTestFileStructure(@NotNull JSFile jsFile) {
   JstdTestFileStructure jsTestFileStructure = new JstdTestFileStructure(jsFile);
   List<JSStatement> statements = JsPsiUtils.listStatementsInExecutionOrder(jsFile);
   for (JSStatement statement : statements) {
     fillJsTestFileStructure(jsTestFileStructure, statement);
   }
   jsTestFileStructure.postProcess();
   return jsTestFileStructure;
 }
 @Nullable
 private static JstdTestCaseStructure createTestCaseStructure(
     @NotNull JstdTestFileStructure jsTestFileStructure,
     @NotNull JSCallExpression testCaseCallExpression) {
   JSReferenceExpression referenceExpression =
       ObjectUtils.tryCast(
           testCaseCallExpression.getMethodExpression(), JSReferenceExpression.class);
   if (referenceExpression != null) {
     String referenceName = referenceExpression.getReferencedName();
     if (TEST_CASE_NAME.equals(referenceName) || ASYNC_TEST_CASE_NAME.equals(referenceName)) {
       JSExpression[] arguments = JsPsiUtils.getArguments(testCaseCallExpression);
       if (arguments.length >= 1) {
         String testCaseName = JsPsiUtils.extractStringValue(arguments[0]);
         if (testCaseName != null) {
           JSObjectLiteralExpression testsObjectLiteral = null;
           if (arguments.length >= 2) {
             testsObjectLiteral = JsPsiUtils.extractObjectLiteralExpression(arguments[1]);
           }
           JstdTestCaseStructure testCaseStructure =
               new JstdTestCaseStructure(
                   jsTestFileStructure, testCaseName, testCaseCallExpression, testsObjectLiteral);
           jsTestFileStructure.addTestCaseStructure(testCaseStructure);
           if (testsObjectLiteral != null) {
             fillTestCaseStructureByObjectLiteral(testCaseStructure, testsObjectLiteral);
           }
           return testCaseStructure;
         }
       }
     }
   }
   return null;
 }