Fix for failing tests on oracle (multi tenancy) - part 3

modules/activiti-engine/src/main/java/org/activiti/engine/impl/jobexecutor/TimerStartEventJobHandler.java

@@ -13,6 +13,7 @@
 package org.activiti.engine.impl.jobexecutor;
 
 import org.activiti.engine.ActivitiException;
+import org.activiti.engine.ProcessEngineConfiguration;
 import org.activiti.engine.impl.cmd.StartProcessInstanceCmd;
 import org.activiti.engine.impl.context.Context;
 import org.activiti.engine.impl.interceptor.CommandContext;
@@ -40,7 +41,7 @@ public class TimerStartEventJobHandler implements JobHandler {
             .getDeploymentManager();
     
     ProcessDefinition processDefinition = null;
-    if (job.getTenantId() == null) {
+    if (job.getTenantId() == null || ProcessEngineConfiguration.NO_TENANT_ID.equals(job.getTenantId())) {
     		processDefinition = deploymentCache.findDeployedLatestProcessDefinitionByKey(configuration);
     } else {
     	processDefinition = deploymentCache.findDeployedLatestProcessDefinitionByKeyAndTenantId(configuration, job.getTenantId());