15:27:34  Error when executing always post condition:
15:27:34  groovy.lang.MissingPropertyException: No such property: cobertura for class: WorkflowScript
15:27:34  	at org.codehaus.groovy.runtime.ScriptBytecodeAdapter.unwrap(ScriptBytecodeAdapter.java:53)
15:27:34  	at org.codehaus.groovy.runtime.ScriptBytecodeAdapter.getProperty(ScriptBytecodeAdapter.java:458)
15:27:34  	at org.kohsuke.groovy.sandbox.impl.Checker$7.call(Checker.java:355)
15:27:34  	at org.kohsuke.groovy.sandbox.GroovyInterceptor.onGetProperty(GroovyInterceptor.java:68)
15:27:34  	at org.jenkinsci.plugins.scriptsecurity.sandbox.groovy.SandboxInterceptor.onGetProperty(SandboxInterceptor.java:354)
15:27:34  	at org.kohsuke.groovy.sandbox.impl.Checker$7.call(Checker.java:353)
15:27:34  	at org.kohsuke.groovy.sandbox.impl.Checker.checkedGetProperty(Checker.java:357)
15:27:34  	at org.kohsuke.groovy.sandbox.impl.Checker.checkedGetProperty(Checker.java:333)
15:27:34  	at org.kohsuke.groovy.sandbox.impl.Checker.checkedGetProperty(Checker.java:333)
15:27:34  	at com.cloudbees.groovy.cps.sandbox.SandboxInvoker.getProperty(SandboxInvoker.java:29)
15:27:34  	at com.cloudbees.groovy.cps.impl.PropertyAccessBlock.rawGet(PropertyAccessBlock.java:20)
15:27:34  	at WorkflowScript.run(WorkflowScript:42)
15:27:34  	at org.jenkinsci.plugins.pipeline.modeldefinition.ModelInterpreter.delegateAndExecute(ModelInterpreter.groovy:137)
15:27:34  	at org.jenkinsci.plugins.pipeline.modeldefinition.ModelInterpreter.runPostConditions(ModelInterpreter.groovy:756)
15:27:34  	at org.jenkinsci.plugins.pipeline.modeldefinition.ModelInterpreter.catchRequiredContextForNode(ModelInterpreter.groovy:395)
15:27:34  	at org.jenkinsci.plugins.pipeline.modeldefinition.ModelInterpreter.catchRequiredContextForNode(ModelInterpreter.groovy:393)
15:27:34  	at org.jenkinsci.plugins.pipeline.modeldefinition.ModelInterpreter.runPostConditions(ModelInterpreter.groovy:755)
15:27:34  	at com.cloudbees.groovy.cps.CpsDefaultGroovyMethods.each(CpsDefaultGroovyMethods:2030)
15:27:34  	at com.cloudbees.groovy.cps.CpsDefaultGroovyMethods.each(CpsDefaultGroovyMethods:2015)
15:27:34  	at com.cloudbees.groovy.cps.CpsDefaultGroovyMethods.each(CpsDefaultGroovyMethods:2056)
15:27:34  	at org.jenkinsci.plugins.pipeline.modeldefinition.ModelInterpreter.runPostConditions(ModelInterpreter.groovy:745)
15:27:34  	at org.jenkinsci.plugins.pipeline.modeldefinition.ModelInterpreter.executeSingleStage(ModelInterpreter.groovy:672)
15:27:34  	at org.jenkinsci.plugins.pipeline.modeldefinition.ModelInterpreter.evaluateStage(ModelInterpreter.groovy:288)
15:27:34  	at org.jenkinsci.plugins.pipeline.modeldefinition.ModelInterpreter.toolsBlock(ModelInterpreter.groovy:539)
15:27:34  	at ___cps.transform___(Native Method)
15:27:34  	at com.cloudbees.groovy.cps.impl.PropertyishBlock$ContinuationImpl.get(PropertyishBlock.java:74)
15:27:34  	at com.cloudbees.groovy.cps.LValueBlock$GetAdapter.receive(LValueBlock.java:30)
15:27:34  	at com.cloudbees.groovy.cps.impl.PropertyishBlock$ContinuationImpl.fixName(PropertyishBlock.java:66)
15:27:34  	at sun.reflect.GeneratedMethodAccessor605.invoke(Unknown Source)
15:27:34  	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
15:27:34  	at java.lang.reflect.Method.invoke(Method.java:498)
15:27:34  	at com.cloudbees.groovy.cps.impl.ContinuationPtr$ContinuationImpl.receive(ContinuationPtr.java:72)
15:27:34  	at com.cloudbees.groovy.cps.impl.ConstantBlock.eval(ConstantBlock.java:21)
15:27:34  	at com.cloudbees.groovy.cps.Next.step(Next.java:83)
15:27:34  	at com.cloudbees.groovy.cps.Continuable$1.call(Continuable.java:174)
15:27:34  	at com.cloudbees.groovy.cps.Continuable$1.call(Continuable.java:163)
15:27:34  	at org.codehaus.groovy.runtime.GroovyCategorySupport$ThreadCategoryInfo.use(GroovyCategorySupport.java:129)
15:27:34  	at org.codehaus.groovy.runtime.GroovyCategorySupport.use(GroovyCategorySupport.java:268)
15:27:34  	at com.cloudbees.groovy.cps.Continuable.run0(Continuable.java:163)
15:27:34  	at org.jenkinsci.plugins.workflow.cps.SandboxContinuable.access$001(SandboxContinuable.java:18)
15:27:34  	at org.jenkinsci.plugins.workflow.cps.SandboxContinuable.run0(SandboxContinuable.java:51)
15:27:34  	at org.jenkinsci.plugins.workflow.cps.CpsThread.runNextChunk(CpsThread.java:185)
15:27:34  	at org.jenkinsci.plugins.workflow.cps.CpsThreadGroup.run(CpsThreadGroup.java:400)
15:27:34  	at org.jenkinsci.plugins.workflow.cps.CpsThreadGroup.access$400(CpsThreadGroup.java:96)
15:27:34  	at org.jenkinsci.plugins.workflow.cps.CpsThreadGroup$2.call(CpsThreadGroup.java:312)
15:27:34  	at org.jenkinsci.plugins.workflow.cps.CpsThreadGroup$2.call(CpsThreadGroup.java:276)
15:27:34  	at org.jenkinsci.plugins.workflow.cps.CpsVmExecutorService$2.call(CpsVmExecutorService.java:67)
15:27:34  	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
15:27:34  	at hudson.remoting.SingleLaneExecutorService$1.run(SingleLaneExecutorService.java:131)
15:27:34  	at jenkins.util.ContextResettingExecutorService$1.run(ContextResettingExecutorService.java:28)
15:27:34  	at jenkins.security.ImpersonatingExecutorService$1.run(ImpersonatingExecutorService.java:59)
15:27:34  	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
15:27:34  	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
15:27:34  	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
15:27:34  	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
15:27:34  	at java.lang.Thread.run(Thread.java:748)