Allow trailing comma in assert

pkg/analyzer/test/generated/parser_fasta_test.dart

Index: pkg/analyzer/test/generated/parser_fasta_test.dart
diff --git a/pkg/analyzer/test/generated/parser_fasta_test.dart b/pkg/analyzer/test/generated/parser_fasta_test.dart
index 7897260719eede01b3026628ca05c077465bc9a3..00b242fa9d8f174eb8181a9f7632484f661c8cb4 100644
--- a/pkg/analyzer/test/generated/parser_fasta_test.dart
+++ b/pkg/analyzer/test/generated/parser_fasta_test.dart
@@ -283,9 +283,6 @@ class FastaParserTestCase extends Object
   bool enableGenericMethodComments = false;
 
   @override
-  bool get usingFasta => true;
-
-  @override
   set enableAssertInitializer(bool value) {
     if (value == true) {
       // TODO(paulberry,ahe): it looks like asserts in initializer lists are not
@@ -324,6 +321,9 @@ class FastaParserTestCase extends Object
   analyzer.Parser get parser => _parserProxy;
 
   @override
+  bool get usingFasta => true;
+
+  @override
   void assertErrorsWithCodes(List<ErrorCode> expectedErrorCodes) {
     // TODO(scheglov): implement assertErrorsWithCodes
     fail('Not implemented');
@@ -906,6 +906,18 @@ class StatementParserTest_Fasta extends FastaParserTestCase
     with StatementParserTestMixin {
   @override
   @failingTest
+  void test_parseAssertStatement_trailingComma_message() {
+    super.test_parseAssertStatement_trailingComma_message();
+  }
+
+  @override
+  @failingTest
+  void test_parseAssertStatement_trailingComma_noMessage() {
+    super.test_parseAssertStatement_trailingComma_noMessage();
+  }
+
+  @override
+  @failingTest
   void test_parseBreakStatement_noLabel() {
     super.test_parseBreakStatement_noLabel();
   }