Use suite for integration-cli

It prints test name and duration for each test.
Also performs deleteAllContainers after each test.

Signed-off-by: Alexander Morozov <lk4d4@docker.com>

integration-cli/docker_api_info_test.go

@@ -33,6 +33,4 @@ func TestInfoApi(t *testing.T) {
 			t.Errorf("couldn't find string %v in output", linePrefix)
 		}
 	}
-
-	logDone("container REST API - check GET /info")
 }