Rename ViewTestSuite to ViewsTestSuite and put it in the proper file

ui/views/mus/BUILD.gn

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//mojo/public/mojo_application.gni")
 import("//mojo/public/mojo_application_manifest.gni")
 import("//testing/test.gni")
 import("//tools/grit/repack.gni")
@@ skipping 113 matching lines @@
     deps = [
       "//mojo/gles2",
     ]
   }
 }
 
 source_set("test_support") {
   testonly = true
 
   sources = [
-    "../run_all_unittests.cc",
-    "../run_all_unittests.h",
     "../test/native_widget_factory_mus.cc",
+    "../views_test_suite.cc",
+    "../views_test_suite.h",
     "views_mus_test_suite.cc",
     "views_mus_test_suite.h",
   ]
 
   deps = [
     ":mus",
     "//base",
     "//base/test:test_support",
     "//services/shell/background:lib",
     "//services/shell/background/tests:test_support",
@@ skipping 153 matching lines @@
 }
 
 group("for_component") {
   public_deps = [
     ":mus",
   ]
   deps = [
     "//mojo/gles2",
   ]
 }