Migrating a block of dart 1 tests to dart 2

tests/language/language.status

Index: tests/language/language.status
diff --git a/tests/language/language.status b/tests/language/language.status
index 4f0ea9e210f10046d8e82724e3fb0d4a7821be6b..5918aa170e2a3eeb96c50d19f55f6b85c03f26cd 100644
--- a/tests/language/language.status
+++ b/tests/language/language.status
@@ -71,7 +71,6 @@ generic_functions_test: Pass # Issue 25869
 generic_methods_generic_function_parameter_test: Pass # Issue 25869
 
 [ ($compiler == none || $compiler == precompiler || $compiler == app_jit) && ($runtime == vm || $runtime == dart_precompiled || $runtime == flutter) ]
-class_keyword_test/02: MissingCompileTimeError # Issue 13627
 unicode_bom_test: Fail # Issue 16067
 vm/debug_break_enabled_vm_test/01: Crash, OK # Expected to hit breakpoint.
 
@@ -247,7 +246,6 @@ async_star_test: RuntimeError
 vm/causal_async_exception_stack_test: RuntimeError
 vm/causal_async_exception_stack2_test: RuntimeError
 # TODO(zra): Investigate
-closure_cycles_test: Pass, Crash
 vm/math_vm_test: Crash
 
 [$compiler == dart2analyzer]
@@ -349,7 +347,6 @@ wrong_number_type_arguments_test/00: CompileTimeError
 wrong_number_type_arguments_test/02: CompileTimeError
 wrong_number_type_arguments_test/01: CompileTimeError
 is_malformed_type_test/97: CompileTimeError
-class_keyword_test/02: CompileTimeError
 is_malformed_type_test/98: CompileTimeError
 is_malformed_type_test/99: CompileTimeError
 is_malformed_type_test/95: CompileTimeError
@@ -444,7 +441,6 @@ vm/reflect_core_vm_test: CompileTimeError
 vm/debug_break_enabled_vm_test/01: CompileTimeError
 vm/debug_break_enabled_vm_test/none: CompileTimeError
 generic_function_typedef2_test/04: CompileTimeError
-class_override_test/00: CompileTimeError
 const_types_test/01: CompileTimeError
 const_types_test/02: CompileTimeError
 const_types_test/03: CompileTimeError