Update tests to prepare for graceful deletion

For cases where we want to immediately cleanup the pod, start using
gracePeriod 0 in test cases.

test/e2e/kubectl.go

@@ -791,7 +791,7 @@ func getUDData(jpgExpected string, ns string) func(*client.Client, string) error
 		if strings.Contains(data.Image, jpgExpected) {
 			return nil
 		} else {
-			return errors.New(fmt.Sprintf("data served up in container is innaccurate, %s didn't contain %s", data, jpgExpected))
+			return errors.New(fmt.Sprintf("data served up in container is inaccurate, %s didn't contain %s", data, jpgExpected))
 		}
 	}
 }