Exclude Dartium from expected failures due to issue #23612.

tests/language/language.status

Index: tests/language/language.status
diff --git a/tests/language/language.status b/tests/language/language.status
index 06e6c9e1b726465983f410a6edb52571a60d2aaf..023b56c9b1ea5353fdcbd56ab68d52f19ca2ef84 100644
--- a/tests/language/language.status
+++ b/tests/language/language.status
@@ -29,15 +29,16 @@ conditional_property_access_test: Fail, Pass
 conditional_method_invocation_test: Fail, Pass
 this_conditional_operator_test/none: Fail
 
+deferred_redirecting_factory_test: Fail # Issue 23408
+redirecting_constructor_initializer_test: RuntimeError # Issue 23488
+
+[ $compiler == none && $runtime != dartium ]
 prefix_identifier_reference_test/01: MissingCompileTimeError # Issue 23612
 prefix_identifier_reference_test/02: MissingCompileTimeError # Issue 23612
 prefix_identifier_reference_test/03: MissingCompileTimeError # Issue 23612
 prefix_identifier_reference_test/04: MissingCompileTimeError # Issue 23612
 prefix_identifier_reference_test/05: MissingCompileTimeError # Issue 23612
 
-deferred_redirecting_factory_test: Fail # Issue 23408
-redirecting_constructor_initializer_test: RuntimeError # Issue 23488
-
 [ $compiler == none ]
 # Non-contractive types are not supported in the vm.
 cyclic_type_test/02: Fail, OK