Rename test classes to match PEP.

Add test case with multiple classes in file.
Remove setup in test runner.

monkey/infection_monkey/utils/plugins/pluginTests/BadInit.py

@@ -1,7 +1,7 @@
 from infection_monkey.utils.plugins.pluginTests.PluginTestClass import TestPlugin
 
 
-class badPluginInit(TestPlugin):
+class BadPluginInit(TestPlugin):
 
     def __init__(self):
         raise Exception("TestException")

monkey/infection_monkey/utils/plugins/pluginTests/ComboFile.py

@@ -0,0 +1,15 @@
+from infection_monkey.utils.plugins.pluginTests.PluginTestClass import TestPlugin
+
+
+class NoInheritance:
+    pass
+
+
+class BadInit(TestPlugin):
+
+    def __init__(self):
+        raise Exception("TestException")
+
+
+class ProperClass(TestPlugin):
+    pass

monkey/infection_monkey/utils/plugins/pluginTests/PluginWorking.py

@@ -1,5 +1,5 @@
 from infection_monkey.utils.plugins.pluginTests.PluginTestClass import TestPlugin
 
 
-class pluginWorking(TestPlugin):
+class PluginWorking(TestPlugin):
     pass

monkey/infection_monkey/utils/plugins/plugin_test.py

@@ -1,18 +1,23 @@
 from unittest import TestCase
 
-from infection_monkey.utils.plugins.pluginTests.PluginWorking import pluginWorking
+from infection_monkey.utils.plugins.pluginTests.ComboFile import BadInit, ProperClass
+from infection_monkey.utils.plugins.pluginTests.PluginWorking import PluginWorking
 from infection_monkey.utils.plugins.pluginTests.BadImport import SomeDummyPlugin
-from infection_monkey.utils.plugins.pluginTests.BadInit import badPluginInit
+from infection_monkey.utils.plugins.pluginTests.BadInit import BadPluginInit
 from infection_monkey.utils.plugins.pluginTests.PluginTestClass import TestPlugin
 
 
 class PluginTester(TestCase):
 
-    def setUp(self):
-        pass
+    def test_combo_file(self):
+        TestPlugin.classes_to_load = [BadInit.__name__, ProperClass.__name__]
+        to_init = TestPlugin.get_classes()
+        self.assertEqual(len(to_init), 2)
+        objects = TestPlugin.get_instances()
+        self.assertEqual(len(objects), 1)
 
     def test_bad_init(self):
-        TestPlugin.classes_to_load = [badPluginInit.__name__]
+        TestPlugin.classes_to_load = [BadPluginInit.__name__]
         to_init = TestPlugin.get_classes()
         self.assertEqual(len(to_init), 1)
         objects = TestPlugin.get_instances()
@@ -24,7 +29,7 @@ class PluginTester(TestCase):
         self.assertEqual(len(to_init), 0)
 
     def test_flow(self):
-        TestPlugin.classes_to_load = [pluginWorking.__name__]
+        TestPlugin.classes_to_load = [PluginWorking.__name__]
         to_init = TestPlugin.get_classes()
         self.assertEqual(len(to_init), 1)
         objects = TestPlugin.get_instances()