Skip isolate spawning tests on Dartium.

tests/isolate/isolate.status

Index: tests/isolate/isolate.status
diff --git a/tests/isolate/isolate.status b/tests/isolate/isolate.status
index 71445438798f879ff4ed653e2aed36363352b493..3c7c4bfe25ffd16be9ba2d73c4f3cf14c6f1f0c4 100644
--- a/tests/isolate/isolate.status
+++ b/tests/isolate/isolate.status
@@ -87,13 +87,15 @@ spawn_uri_multi_test/none: RuntimeError # Issue 13544
 [ $compiler == none && ($runtime == dartium || $runtime == drt || $runtime == ContentShellOnAndroid) ]
 pause_test: Fail         # Not implemented yet
 issue_21398_parent_isolate_test: Skip # Issue 24990
-isolate/message2_test: Skip # Issue 24990
-isolate/message_enum_test: Skip # Issue 24990
-isolate/nested_spawn2_test: Skip # Issue 24990
-isolate/isolate_import_test: Skip # Issue 24990
-isolate/spawn_uri_test: Skip # Issue 24990
+message2_test: Skip # Issue 24990
+message_enum_test: Skip # Issue 24990
+nested_spawn2_test: Skip # Issue 24990
+isolate_import_test: Skip # Issue 24990
+spawn_uri_test: Skip # Issue 24990
+spawn_uri_vm_test: Skip # Issue 24990
 issue_21398_parent_isolate2_test/01: Skip # Issue 24990
-isolate/spawn_uri_multi_test/none: Skip # Issue 24990
+spawn_uri_multi_test/none: Skip # Issue 24990
+raw_port_test: Skip # Issue 24990
 
 [ $compiler == none && $runtime == ContentShellOnAndroid ]
 nested_spawn2_test: Skip # Issue 19127: This test is timing out.