fix DDC travis bot

pkg/dev_compiler/test/compile_error_tests.dart

 import 'dart:collection';
 import 'package:path/path.dart' as path;
 
 /// The set of tests that are known to fail with compile errors.
 ///
 /// This may be because the test hasn't been made strong mode clean yet, or
 /// because of bugs or missing features in strong mode or analyzer itself.
 final compileErrorTests = new HashSet<String>.from([
   'language/abstract_exact_selector_test_01_multi',
   'language/abstract_factory_constructor_test_00_multi',
   'language/abstract_getter_test_01_multi',
   'language/abstract_runtime_error_test_01_multi',
   'language/abstract_runtime_error_test_02_multi',
   'language/abstract_runtime_error_test_03_multi',
   'language/abstract_syntax_test_00_multi',
   'language/abstract_syntax_test_01_multi',
   'language/accessor_conflict_export2_test',
   'language/accessor_conflict_export_test',
   'language/accessor_conflict_import2_test',
   'language/accessor_conflict_import_prefixed2_test',
   'language/accessor_conflict_import_prefixed_test',
   'language/accessor_conflict_import_test',
   'language/argument_definition_test_01_multi',
+  'language/assertion_initializer_const_error2_test_none_multi',
+  'language/assertion_initializer_const_function_test_01_multi',
+  'language/assertion_initializer_test',
   'language/assign_static_type_test_01_multi',
   'language/assign_static_type_test_02_multi',
   'language/assign_static_type_test_03_multi',
   'language/assign_static_type_test_04_multi',
   'language/assign_static_type_test_05_multi',
   'language/assign_static_type_test_06_multi',
   'language/assign_to_type_test_01_multi',
   'language/assign_to_type_test_02_multi',
   'language/assign_to_type_test_03_multi',
   'language/assign_to_type_test_04_multi',
   'language/assign_top_method_test_01_multi',
   'language/assignable_expression_test_01_multi',
   'language/assignable_expression_test_02_multi',
   'language/assignable_expression_test_03_multi',
   'language/assignable_expression_test_11_multi',
   'language/assignable_expression_test_12_multi',
   'language/assignable_expression_test_13_multi',
   'language/assignable_expression_test_21_multi',
   'language/assignable_expression_test_22_multi',
   'language/assignable_expression_test_23_multi',
   'language/assignable_expression_test_31_multi',
   'language/assignable_expression_test_32_multi',
   'language/assignable_expression_test_33_multi',
   'language/assignable_expression_test_41_multi',
   'language/assignable_expression_test_42_multi',
   'language/assignable_expression_test_43_multi',
   'language/assignable_expression_test_50_multi',
-  'language/assignable_expression_test_none_multi',
   'language/async_await_syntax_test_a01b_multi',
   'language/async_await_syntax_test_a01c_multi',
   'language/async_await_syntax_test_a01d_multi',
   'language/async_await_syntax_test_a04b_multi',
   'language/async_await_syntax_test_a05d_multi',
   'language/async_await_syntax_test_a05f_multi',
   'language/async_await_syntax_test_a05g_multi',
   'language/async_await_syntax_test_a05h_multi',
   'language/async_await_syntax_test_a06b_multi',
   'language/async_await_syntax_test_a07b_multi',
@@ skipping 2304 matching lines @@
   'language/switch7_negative_test',
   'language/test_negative_test',
   'language/type_variable_static_context_negative_test',
   'language/unary_plus_negative_test',
   'language/unhandled_exception_negative_test',
   'language/unresolved_in_factory_negative_test',
   'language/unresolved_top_level_method_negative_test',
   'language/unresolved_top_level_var_negative_test',
   'corelib/file_resource_test',
   'corelib/regexp/global_test',
-  'corelib/regexp/regexp_test',
   'lib/convert/chunked_conversion_json_encode1_test',
   'lib/convert/chunked_conversion_utf84_test',
   'lib/convert/chunked_conversion_utf88_test',
   'lib/convert/chunked_conversion_utf8_test',
   'lib/convert/line_splitter_test',
   'lib/html/cross_frame_test',
   'lib/html/custom/constructor_calls_created_synchronously_test',
   'lib/html/custom/created_callback_test',
   'lib/html/custom/document_register_basic_test',
   'lib/html/custom/document_register_type_extensions_test',
@@ skipping 10 matching lines @@
   'lib/html/mutationobserver_test',
   'lib/html/postmessage_structured_test',
   'lib/html/resource_http_test',
   'lib/html/transferables_test',
   'lib/html/webgl_1_test',
   'lib/html/wrapping_collections_test',
   // TODO(jmesserly): these are both under "dart:html" as well.
   'js_test',
   'js_util_test'
 ].map((p) => p.replaceAll('/', path.separator)));