Enable ingress integration test #605

Job	Run time
integration-tests / Get runner image / Get runner image	5s
integration-tests / Build and push charm	2m 21s
integration-tests / Build image / Get images	2s
integration-tests / Build rock / Get rocks	6s
integration-tests / Build image / Build image	0s
integration-tests / Build rock / Build rock (jenkins_rock)	5m 17s
integration-tests / Get rocks or Docker images	1s
integration-tests / Integration tests / Integration tests (test_ingress.py)	16m 7s
integration-tests / Integration tests / Integration tests (test_jenkins.py)	19m 23s
integration-tests / Integration tests / Integration tests (test_k8s_agent.py)	20m 15s
integration-tests / Integration tests / Integration tests (test_machine_agent.py)	18m 40s
integration-tests / Integration tests / Integration tests (test_plugins.py)	33m 20s
integration-tests / Integration tests / Integration tests (test_proxy.py)	15m 7s
integration-tests / Integration tests / Integration tests (test_cos.py)	23m 18s
integration-tests / Required Integration Test Status Checks	1s
	2h 34m 3s

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