gh-59 Make e2e tests more robust when testing task view
gh-59 Make e2e tests more robust when testing task view

BoykoAlex/spring-cloud-dataflow-ui,ghillert/spring-cloud-dataflow-ui,spring-cloud/spring-cloud-dataflow-ui,cppwfs/spring-cloud-dataflow-ui,spring-cloud/spring-cloud-dataflow-ui,spring-cloud/spring-cloud-dataflow-ui,BoykoAlex/spring-cloud-dataflow-ui,ghillert/spring-cloud-dataflow-ui,cppwfs/spring-cloud-dataflow-ui,ghillert/spring-cloud-dataflow-ui,BoykoAlex/spring-cloud-dataflow-ui,cppwfs/spring-cloud-dataflow-ui,spring-cloud/spring-cloud-dataflow-ui,ghillert/spring-cloud-dataflow-ui,BoykoAlex/spring-cloud-dataflow-ui,cppwfs/spring-cloud-dataflow-ui