E2e tests for apps examples #1461

Job	Run time
setup-matrix	7s
run-integration-tests (./examples/app-with-scenes)	3m 15s
run-integration-tests (./examples/panel-datalinks)	2m 59s
run-integration-tests (./examples/datasource-streaming-websocket/streaming-websocket-plugin)	3m 1s
run-integration-tests (./examples/app-with-service-account)	3m 27s
run-integration-tests (./examples/panel-basic)	2m 54s
run-integration-tests (./examples/app-basic)	2m 58s
run-integration-tests (./examples/datasource-http)	2m 46s
run-integration-tests (./examples/datasource-logs)	2m 44s
run-integration-tests (./examples/panel-frame-select)	2m 46s
run-integration-tests (./examples/app-with-extension-point)	2m 49s
run-integration-tests (./examples/app-with-rbac)	56s
run-integration-tests (./examples/datasource-streaming-backend-websocket/streaming-backend-websoc...	3m 40s
run-integration-tests (./examples/app-with-extensions)	3m 22s
run-integration-tests (./examples/app-with-dashboards)	2m 52s
run-integration-tests (./examples/app-with-backend)	3m 33s
run-integration-tests (./examples/datasource-basic)	3m 53s
run-integration-tests (./examples/datasource-http-backend)	5m 2s
notify	0s
	53m 4s

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