add a functional test for creating an EE, remove bum copy function because it's not needed, copy works from the base class

moved AWXKit pull additions to separate PR and made some changes that were causing linting errors in tests and add copy to show_capabilities for the ee serializer

awx/main/tests/functional/conftest.py

@@ -52,6 +52,7 @@ from awx.main.models.events import (
 from awx.main.models.workflow import WorkflowJobTemplate
 from awx.main.models.ad_hoc_commands import AdHocCommand
 from awx.main.models.oauth import OAuth2Application as Application
+from awx.main.models.execution_environments import ExecutionEnvironment
 
 __SWAGGER_REQUESTS__ = {}
 
@@ -850,3 +851,8 @@ def slice_job_factory(slice_jt_factory):
                 node.save()
         return slice_job
     return r
+
+
+@pytest.fixture
+def execution_environment(organization):
+    return ExecutionEnvironment.objects.create(name="test-ee", description="test-ee", organization=organization)