Skip isolate spawning tests on Dartium.

runtime/tests/vm/vm.status

 # Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 # for details. All rights reserved. Use of this source code is governed by a
 # BSD-style license that can be found in the LICENSE file.
 
 # These tests are expected to crash on all platforms.
 cc/ArrayNew_Overflow_Crash: Crash, Timeout
 cc/AllocGeneric_Overflow: Crash, Timeout
 cc/CodeImmutability: Crash
 
 cc/SNPrint_BadArgs: Skip
@@ skipping 37 matching lines @@
 dart/optimized_stacktrace_test: RuntimeError
 
 # Methods can be missing in dart2js stack traces due to inlining.  Also when
 # minifying they can be renamed, which is issue 7953.
 dart/inline_stack_frame_test: RuntimeError, Pass # Issue 7953
 
 [ $compiler == dart2js || $compiler == dartanalyzer || $compiler == dart2analyzer ]
 # Data uri's not supported by dart2js or the analyzer.
 dart/data_uri*test: Skip
 
+[ $compiler == none && ($runtime == drt || $runtime == dartium || $runtime == ContentShellOnAndroid) ]
+dart/data_uri_spawn_test: Skip # Issue 24990
+
 [ $runtime == vm ]
 dart/data_uri_failures_test/wrongmime: RuntimeError, OK # VM is more restrictive than the browser
 dart/data_uri_failures_test/nomime: RuntimeError, OK
 dart/data_uri_failures_test/nocharset: RuntimeError, OK
 dart/data_uri_failures_test/base64: RuntimeError, OK
 
 [ $arch == mips ]
 cc/StaticNonNullSumCallCodegen: Crash, Pass # Issue 17440
 cc/ArrayLengthMaxElements: Crash  # Issue 23275
 cc/Int8ListLengthMaxElements: Skip # Issue 23536, uses 1 GB memory.
@@ skipping 12 matching lines @@
 [ $runtime == vm && $mode == debug && $builder_tag == asan ]
 cc/Dart2JSCompileAll: Skip  # Timeout.
 
 [ $runtime == vm && $builder_tag == asan && $arch == x64]
 cc/TestObjectCompare : Crash # Issue 25002
 
 [ $noopt ]
 dart/redirection_type_shuffling_test: CompileTimeError # Imports dart:mirrors
 dart/byte_array_test: Crash # Incompatible flag --disable_alloc_stubs_after_gc
 dart/inline_stack_frame_test: Fail  # Issue 24783 - inlined frames missing