Clean up formatting, rework run wrapper script to not use globals.

typ/tests/main_test.py

 # Copyright 2014 Dirk Pranke. All rights reserved.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at
 #
 #    http://www.apache.org/licenses/LICENSE-2.0
 #
 # Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
 import io
 import json
 import os
 import sys
 import textwrap
 
-
 from typ import main
 from typ import test_case
 from typ import Host
 from typ import VERSION
 from typ.fakes import test_result_server_fake
 
 
 is_python3 = bool(sys.version_info.major == 3)
 
 if is_python3:  # pragma: python3
@@ skipping 103 matching lines @@
         pass
 """
 
 
 SF_TEST_FILES = {'sf_test.py': SF_TEST_PY}
 
 
 LOAD_TEST_PY = """
 import unittest
 
+
 class BaseTest(unittest.TestCase):
     pass
 
+
 def method_fail(self):
     self.fail()
 
+
 def method_pass(self):
     pass
 
+
 def load_tests(_, _2, _3):
     setattr(BaseTest, "test_fail", method_fail)
     setattr(BaseTest, "test_pass", method_pass)
     suite = unittest.TestSuite()
     suite.addTest(BaseTest("test_fail"))
     suite.addTest(BaseTest("test_pass"))
     return suite
 """
 
 LOAD_TEST_FILES = {'load_test.py': LOAD_TEST_PY}
@@ skipping 587 matching lines @@
                     modules_to_unload.append(k)
             for k in modules_to_unload:
                 del sys.modules[k]
             sys.path = orig_sys_path
 
         return ret, out, err
 
     def test_debugger(self):
         # TODO: this test seems to hang under coverage.
         pass