Fix field type to audit_type

There's a number of places where a field of an object is named "type",
which isn't good thing. Actually type is keyword in python, so wherever
I found type used in models/api/object/test, I have fixed it to
audit_type in the audit files

Change-Id: Iea6bd3acb0b2af2a833b3916701aad88f6064bba
Closes-Bug: #1533392

watcher_tempest_plugin/tests/api/admin/base.py

@@ -155,7 +155,7 @@ class BaseInfraOptimTest(test.BaseTestCase):
     # ### AUDITS ### #
 
     @classmethod
-    def create_audit(cls, audit_template_uuid, type='ONESHOT',
+    def create_audit(cls, audit_template_uuid, audit_type='ONESHOT',
                      state=None, deadline=None):
         """Wrapper utility for creating a test audit
 
@@ -166,7 +166,7 @@ class BaseInfraOptimTest(test.BaseTestCase):
         :return: A tuple with The HTTP response and its body
         """
         resp, body = cls.client.create_audit(
-            audit_template_uuid=audit_template_uuid, type=type,
+            audit_template_uuid=audit_template_uuid, audit_type=audit_type,
             state=state, deadline=deadline)
 
         cls.created_audits.add(body['uuid'])