Enable messages in asserts by default

pkg/analyzer/test/generated/compile_time_error_code_test.dart

Index: pkg/analyzer/test/generated/compile_time_error_code_test.dart
diff --git a/pkg/analyzer/test/generated/compile_time_error_code_test.dart b/pkg/analyzer/test/generated/compile_time_error_code_test.dart
index 4b4bf3d125a90c1d87ea0a0a6e63b1a0248873c5..098ff9446018f2796b051d9e8f92deedb63a2e41 100644
--- a/pkg/analyzer/test/generated/compile_time_error_code_test.dart
+++ b/pkg/analyzer/test/generated/compile_time_error_code_test.dart
@@ -256,19 +256,6 @@ main() {
     verify([source]);
   }
 
-  void test_assertWithExtraArgument() {
-    // TODO(paulberry): once DEP 37 is turned on by default, this test should
-    // be removed.
-    Source source = addSource('''
-f(bool x) {
-  assert(x, 'foo');
-}
-''');
-    computeLibrarySourceErrors(source);
-    assertErrors(source, [CompileTimeErrorCode.EXTRA_ARGUMENT_TO_ASSERT]);
-    verify([source]);
-  }
-
   void test_async_used_as_identifier_in_annotation() {
     Source source = addSource('''
 const int async = 0;
@@ -4609,9 +4596,7 @@ class A {
   }
 
   void test_nonConstValueInInitializer_assert_message() {
-    resetWithOptions(new AnalysisOptionsImpl()
-      ..enableAssertInitializer = true
-      ..enableAssertMessage = true);
+    resetWithOptions(new AnalysisOptionsImpl()..enableAssertInitializer = true);
     Source source = addSource(r'''
 class A {
   const A(int i) : assert(i < 0, 'isNegative = ${i.isNegative}');