Fix type_variable_promotion_test on dart2js-with-kernel.

tests/language_2/language_2_dart2js.status

Index: tests/language_2/language_2_dart2js.status
diff --git a/tests/language_2/language_2_dart2js.status b/tests/language_2/language_2_dart2js.status
index c7f94545c35c13896bda837ccc659675a929245f..d94b044a2a6dc584cc50e0f0a5c9863f77a7e91f 100644
--- a/tests/language_2/language_2_dart2js.status
+++ b/tests/language_2/language_2_dart2js.status
@@ -216,6 +216,9 @@ getters_setters2_test/none: RuntimeError
 if_null_precedence_test/none: RuntimeError
 typevariable_substitution2_test/02: RuntimeError
 
+[ $compiler == dart2js && $dart2js_with_kernel ]
+type_variable_promotion_test: Crash
+
 [ $compiler == dart2js && ! $dart2js_with_kernel ]
 accessor_conflict_export2_test: Crash # Issue 25626
 accessor_conflict_export_test: Crash # Issue 25626