Delete all test isolate file.

base/base_unittests.isolate

-# Copyright (c) 2012 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.
-{
-  'variables': {
-    'command': [
-      '../testing/test_env.py',
-      '<(PRODUCT_DIR)/base_unittests<(EXECUTABLE_SUFFIX)',
-      '--brave-new-test-launcher',
-      '--test-launcher-bot-mode',
-      '--asan=<(asan)',
-      '--msan=<(msan)',
-      '--tsan=<(tsan)',
-    ],
-  },
-  'conditions': [
-    ['OS=="android" or OS=="linux" or OS=="mac" or OS=="win"', {
-      'variables': {
-        'files': [
-          'test/data/',
-        ],
-      },
-    }],
-    ['OS=="linux" or OS=="mac" or OS=="win"', {
-      'variables': {
-        'files': [
-          '../testing/test_env.py',
-        ],
-      },
-    }],
-    ['OS=="linux"', {
-      'variables': {
-        'files': [
-          '<(PRODUCT_DIR)/lib/libmalloc_wrapper.so',
-        ],
-      },
-    }],
-    ['OS=="mac" and asan==1 and fastbuild==0', {
-      'variables': {
-        'files': [
-          '<(PRODUCT_DIR)/base_unittests.dSYM/',
-        ],
-      },
-    }],
-    ['OS=="win" and (fastbuild==0 or fastbuild==1)', {
-      'variables': {
-        'files': [
-          '<(PRODUCT_DIR)/base_unittests.exe.pdb',
-        ],
-      },
-    }],
-  ],
-  'includes': [
-    'base.isolate',
-  ],
-}