fix(e2e): execute delete command

Author: aslakknutsen

e2e/smoke_test.go

@@ -262,7 +262,7 @@ var _ = Describe("Smoke End To End Tests - against OpenShift Cluster with Istio
 				EnsureSessionRouteIsReachable(namespace, sessionName, ContainSubstring("che-workspace"))
 
 				// when the mutated deployment is cleaned up
-				testshell.ExecuteInDir(tmpDir, "oc delete deployment che-workspace")
+				testshell.ExecuteInDir(tmpDir, "oc", "delete", "deployment", "che-workspace", "-n", namespace)
 
 				// then the session should no longer be available
 				EnsureSessionRouteIsNotReachable(namespace, sessionName, ContainSubstring("ratings-v1"), Not(ContainSubstring("che-workspace")))