Turn off autodevops for forked project source

I'm implementing Mark's suggestion of using the api to set
'auto_devops_enabled' of the fork's source project so that
we don't ever see a pipeline that requires us to wait
before we can merge the fork.

qa/qa/resource/api_fabricator.rb

@@ -54,11 +54,23 @@ module QA
         end
       end
 
-      private
-
       include Support::Api
       attr_writer :api_resource, :api_response
 
+      def api_put(body = api_put_body)
+        response = put(
+          Runtime::API::Request.new(api_client, api_put_path).url,
+          body)
+
+        unless response.code == HTTP_STATUS_OK
+          raise ResourceFabricationFailedError, "Updating #{self.class.name} using the API failed (#{response.code}) with `#{response}`."
+        end
+
+        process_api_response(parse_body(response))
+      end
+
+      private
+
       def resource_web_url(resource)
         resource.fetch(:web_url) do
           raise ResourceURLMissingError, "API resource for #{self.class.name} does not expose a `web_url` property: `#{resource}`."
@@ -92,18 +104,6 @@ module QA
         process_api_response(parse_body(response))
       end
 
-      def api_put
-        response = put(
-          Runtime::API::Request.new(api_client, api_put_path).url,
-          api_put_body)
-
-        unless response.code == HTTP_STATUS_OK
-          raise ResourceFabricationFailedError, "Updating #{self.class.name} using the API failed (#{response.code}) with `#{response}`."
-        end
-
-        process_api_response(parse_body(response))
-      end
-
       def api_delete
         url = Runtime::API::Request.new(api_client, api_delete_path).url
         response = delete(url)

qa/qa/specs/features/browser_ui/3_create/merge_request/merge_merge_request_from_fork_spec.rb

@@ -10,6 +10,8 @@ module QA
           merge_request.fork_branch = 'feature-branch'
         end
 
+        merge_request.project.api_put(auto_devops_enabled: false)
+
         Page::Main::Menu.perform(&:sign_out)
         Page::Main::Login.perform(&:sign_in_using_credentials)