Fix expectations

pkg/dev_compiler/test/not_yet_strong_tests.dart

 import 'dart:collection';
 
 /// The set of tests that are not yet strong mode safe.
 final notYetStrongTests = 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',
@@ skipping 768 matching lines @@
   'language/function_type_call_getter2_test_04_multi',
   'language/function_type_call_getter2_test_05_multi',
   'language/function_type_test',
   'language/generic_closure_test',
   'language/generic_constructor_mixin2_test',
   'language/generic_constructor_mixin3_test',
   'language/generic_constructor_mixin_test',
   'language/generic_field_mixin6_test_01_multi',
   'language/generic_field_mixin6_test_none_multi',
   'language/generic_list_checked_test',
+  'language/generic_methods_closure_test',
+  'language/generic_methods_local_variable_declaration_test',
+  'language/generic_methods_shadowing_test',
+  'language/generic_methods_simple_is_expression_test',
   'language/generic_tearoff_test',
   'language/generic_test',
   'language/generics_test',
   'language/get_set_syntax_test_00_multi',
   'language/get_set_syntax_test_01_multi',
   'language/get_set_syntax_test_02_multi',
   'language/get_set_syntax_test_03_multi',
   'language/get_set_syntax_test_04_multi',
   'language/get_set_syntax_test_05_multi',
   'language/get_set_syntax_test_06_multi',
@@ skipping 1614 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'
 ]);