feat(webhooks): return a 200 status for webhook test execution respon…

…se even when execution has failed

lib/pact_broker/api/resources/webhook_execution.rb

@@ -16,12 +16,7 @@ def process_post
           webhook_execution_result = webhook_service.test_execution(webhook, webhook_options)
           response.headers['Content-Type'] = 'application/hal+json;charset=utf-8'
           response.body = post_response_body webhook_execution_result
-          if webhook_execution_result.success?
-            true
-          else
-            response.headers[PactBroker::DO_NOT_ROLLBACK] = 'true'
-            500
-          end
+          true
         end
 
         def resource_exists?

spec/lib/pact_broker/api/resources/webhook_execution_spec.rb

@@ -75,9 +75,9 @@ module Resources
             context "when execution is not successful" do
               let(:success) { false }
 
-              it "returns a 500 JSON response" do
+              it "returns a 200 JSON response" do
                 subject
-                expect(last_response.status).to eq 500
+                expect(last_response.status).to eq 200
               end
 
               it "includes the execution result JSON in the body" do