Properly label vm_tests as tests

runtime/bin/BUILD.gn

 # Copyright (c) 2014, 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.
 
 import("gypi_contents.gni")
 
 declare_args() {
   # Whether to fall back to built-in root certificates when they cannot be
   # verified at the operating system level.
   dart_use_fallback_root_certificates = true
@@ skipping 745 matching lines @@
     "INTENTIONALLY_LEFT_BLANK_TOO",
     rebase_path(snapshot_test_dart_file),
   ]
 }
 
 executable("run_vm_tests") {
   configs += [
     "..:dart_config",
     "..:dart_maybe_product_config",
   ]
+
+  testonly = true

[zra, 2016/11/30 18:30:48]

It looks like this can be set conditionally, e.g:

if (defined(is_fuchsia) && is_fuchsia) {
  testonly = true
}

If that works for you, I would prefer that over adding an alias for the target.

+
   deps = [
     ":dart_snapshot_cc",
     ":generate_snapshot_test_dat_file",
     ":libdart_builtin",
     ":standalone_dart_io",
     "$dart_zlib_path",
     "..:libdart",
   ]
   include_dirs = [
     "..",
@@ skipping 63 matching lines @@
       # The only effect of DART_SHARED_LIB is to export the Dart API.
       "DART_SHARED_LIB",
     ]
     if (is_win) {
       libs = [ "dart.lib" ]
       abs_root_out_dir = rebase_path(root_out_dir)
       ldflags = [ "/LIBPATH:$abs_root_out_dir" ]
     }
   }
 }