Revert "[updater] pass build dir to tests."

This reverts commit b227bf9d.

Reason for revert: breaks compare_build_artifacts
https://ci.chromium.org/p/chromium/builders/ci/Windows%20deterministic/17383

Original change's description:
> [updater] pass build dir to tests.
>
> Also changes test case superclass to typ.TestCase.
>
> Bug: 1141577
> Change-Id: I0d9b4b38543d1cd904808d9f85b6aa27ab973c5d
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2496180
> Reviewed-by: Sorin Jianu <sorin@chromium.org>
> Commit-Queue: Anjali Doneria <adoneria@google.com>
> Cr-Commit-Position: refs/heads/master@{#820849}

TBR=sorin@chromium.org,waffles@chromium.org,adoneria@google.com

Change-Id: I81e2ec26e7b68f8de2ac7ceb304dcfbc11e90a97
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: 1141577
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2502022Reviewed-by: David Roger <droger@chromium.org>
Commit-Queue: David Roger <droger@chromium.org>
Cr-Commit-Position: refs/heads/master@{#821166}

chrome/updater/BUILD.gn

@@ -347,13 +347,9 @@ if (is_win || is_mac) {
   script_test("updater_integration_tests") {
     script = "//testing/scripts/run_isolated_script_test.py"
 
-    args = [
-      "@WrappedPath(" +
-          rebase_path("//chrome/updater/run_updater_tests.py", root_build_dir) +
-          ")",
-      "--build-dir",
-      "@WrappedPath(" + rebase_path(root_build_dir) + ")",
-    ]
+    args = [ "@WrappedPath(" +
+             rebase_path("//chrome/updater/run_updater_tests.py",
+                         root_build_dir) + ")" ]
 
     data = [
       "//chrome/updater/run_updater_tests.py",

chrome/updater/run_updater_tests.py

@@ -2,8 +2,6 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
-import argparse
-import logging
 import sys
 
 from test.integration_tests.common import path_finder
@@ -11,34 +9,12 @@ path_finder.add_typ_dir_to_sys_path()
 
 import typ
 
-class Context(object):
-  def __init__(self, build_dir):
-    self.build_dir = build_dir
-
 
 def main():
-  parser = typ.ArgumentParser()
-  parser.add_argument('--build-dir',
-                      help='Specifies chromium build directory.')
-
-  runner = typ.Runner()
-
-  # Set this when using context that will be passed to tests.
-  runner.win_multiprocessing = typ.WinMultiprocessing.importable
-
-  runner.parse_args(parser,
-                    argv=None,
-                    tests=[path_finder.get_integration_tests_dir()])
-
-  # setup logging level
-  if runner.args.verbose > 1:
-    level = logging.DEBUG
-  else:
-    level = logging.INFO
-  logging.basicConfig(level=level)
+  return typ.main(
+      tests=[path_finder.get_integration_tests_dir()],
+  )
 
-  runner.context = Context(runner.args.build_dir)
-  return runner.run()[0]
 
 if __name__ == "__main__":
-  sys.exit(main())
+    sys.exit(main())

chrome/updater/test/integration_tests/hello_test.py

@@ -4,20 +4,13 @@
 
 """Sample test case to run on chromium infra."""
 
-import logging
-import typ
+import unittest
 
-class HelloTest(typ.TestCase):
+class HelloTest(unittest.TestCase):
 
   def test_hello(self):
-    logging.info('Hello World!')
     pass
 
-  def test_build_dir(self):
-    logging.debug('Build dir = %s', self.context.build_dir)
-    self.assertTrue(self.context.build_dir is not None)
-
-
 if __name__ == '__main__':
   unittest.main()
 

chrome/updater/test/integration_tests/updater/test_base.py

@@ -12,12 +12,13 @@ intended action before test run and after test run respectively.
 
 import logging
 import os
-import typ
+import unittest
+
 from test.integration_tests.common import logger_util
 from test.integration_tests.updater.lib import updater_util
 
 
-class UpdaterTestBase(typ.TestCase):
+class UpdaterTestBase(unittest.TestCase):
   """Base test class for updater testing on new infra."""
 
   @classmethod