Fix tests for parsing literals.

pkg/analyzer/test/generated/parser_test.dart

Index: pkg/analyzer/test/generated/parser_test.dart
diff --git a/pkg/analyzer/test/generated/parser_test.dart b/pkg/analyzer/test/generated/parser_test.dart
index a0e80eb0a0acf1bd632d9a661862ca40012744ed..7ace442671f7ac8101bd7812a21163fe92e9c17a 100644
--- a/pkg/analyzer/test/generated/parser_test.dart
+++ b/pkg/analyzer/test/generated/parser_test.dart
@@ -5206,7 +5206,7 @@ abstract class ExpressionParserTestMixin implements AbstractParserTestCase {
     ListLiteral literal = parseListLiteral(token, null, '[]');
     expect(literal, isNotNull);
     assertNoErrors();
-    expect(literal.constKeyword, token);
+    expect(literal.constKeyword.keyword, Keyword.CONST);
     expect(literal.typeArguments, isNull);
     expect(literal.leftBracket, isNotNull);
     expect(literal.elements, hasLength(0));
@@ -5231,7 +5231,7 @@ abstract class ExpressionParserTestMixin implements AbstractParserTestCase {
     ListLiteral literal = parseListLiteral(token, null, '[ ]');
     expect(literal, isNotNull);
     assertNoErrors();
-    expect(literal.constKeyword, token);
+    expect(literal.constKeyword.keyword, Keyword.CONST);
     expect(literal.typeArguments, isNull);
     expect(literal.leftBracket, isNotNull);
     expect(literal.elements, hasLength(0));