Remove unnecessary setUp

setUp will be automatically called around each testcase,
so this is to remove setUp that doing nothing additional
than super to keep code clean.

Change-Id: Iad975644a0be207c0cb5ffd5941346fc5b86718b

murano/tests/functional/engine/manager.py

@@ -41,9 +41,6 @@ class MuranoTestsCore(testtools.TestCase, testtools.testcase.WithAttributes,
         cfg.load_config()
         cls._environments = []
 
-    def setUp(self):
-        super(MuranoTestsCore, self).setUp()
-
     def tearDown(self):
         super(MuranoTestsCore, self).tearDown()
         self.purge_environments()

murano/tests/unit/cmd/test_engine_workers.py

@@ -24,9 +24,6 @@ from murano.tests.unit import base
 
 class TestEngineWorkers(base.MuranoTestCase):
 
-    def setUp(self):
-        super(TestEngineWorkers, self).setUp()
-
     @mock.patch.object(config, 'parse_args')
     @mock.patch.object(logging, 'setup')
     @mock.patch('oslo_service.service.launch')

murano/tests/unit/common/test_plugin_loader.py

@@ -21,9 +21,6 @@ CONF = cfg.CONF
 
 class PluginLoaderTest(base.MuranoTestCase):
 
-    def setUp(self):
-        super(PluginLoaderTest, self).setUp()
-
     @mock.patch('stevedore.extension.Extension')
     def test_load_extension(self, ext):
         """Test PluginLoader.load_extension.

murano/tests/unit/test_actions.py

@@ -17,9 +17,6 @@ from murano.tests.unit import base
 
 
 class TestActionFinder(base.MuranoTestCase):
-    def setUp(self):
-        super(TestActionFinder, self).setUp()
-
     def test_simple_root_level_search(self):
         model = {
             '?': {

murano/tests/unit/test_engine.py

@@ -32,9 +32,6 @@ ROOT_CLASS = 'io.murano.Object'
 
 
 class TestNamespaceResolving(base.MuranoTestCase):
-    def setUp(self):
-        super(TestNamespaceResolving, self).setUp()
-
     def test_fails_w_empty_name(self):
         resolver = ns_resolver.NamespaceResolver({'=': 'com.example.murano'})
 
@@ -95,9 +92,6 @@ class TestNamespaceResolving(base.MuranoTestCase):
 
 
 class TestHelperFunctions(base.MuranoTestCase):
-    def setUp(self):
-        super(TestHelperFunctions, self).setUp()
-
     def test_generate_id(self):
         generated_id = helpers.generate_id()