Add logic to filter out workflow job node that is for inventory sync …

…or project sync.

https://bugzilla.redhat.com/show_bug.cgi?id=1698837

lib/ansible_tower_client/base_models/workflow_job_node.rb

@@ -5,7 +5,14 @@ def workflow_job
     end
 
     def job
-      api.jobs.find(job_id) if respond_to?(:job_id) && job_id
+      api.jobs.find(job_id) if job?
+    end
+
+    # to filter out WorkflowJobNode that is inventory sync or project sync
+    def job?
+      return false if !respond_to?(:job_id) || job_id.nil?
+
+      related.job.match?(/jobs/)
     end
   end
 end

spec/workflow_job_node_spec.rb

@@ -34,10 +34,17 @@ def response_with_job(response, id)
     end
 
     it "returns a Job when the job_id is set" do
-      obj = described_class.new(api, response_with_job(raw_instance, 12345))
+      obj = described_class.new(api, response_with_job(raw_instance, "/api/v1/jobs/2710/"))
       allow(api).to receive(:get).and_return(instance_double("Faraday::Result", :body => {}.to_json))
 
       expect(obj.job).to be_a AnsibleTowerClient::Job
     end
+
+    it "returns nil when it is a inventory sync" do
+      obj = described_class.new(api, response_with_job(raw_instance, "/api/v1/inventory_updates/2710/"))
+      allow(api).to receive(:get).and_return(instance_double("Faraday::Result", :body => {}.to_json))
+
+      expect(obj.job).to be_nil
+    end
   end
 end