diff --git a/tests/e2e/http_health_check_test.go b/tests/e2e/http_health_check_test.go
index 0e74a562b4e6..6d93b501d5aa 100644
--- a/tests/e2e/http_health_check_test.go
+++ b/tests/e2e/http_health_check_test.go
@@ -226,7 +226,7 @@ func TestHTTPLivezReadyzHandler(t *testing.T) {
 				},
 				{
 					url:                "/readyz",
-					expectedStatusCode: http.StatusOK,
+					expectedStatusCode: http.StatusOK, // TODO expected behavior should be 503 or timeout after ReadIndex check is implemented.
 				},
 			},
 		},
@@ -240,11 +240,11 @@ func TestHTTPLivezReadyzHandler(t *testing.T) {
 					// ref. https://github.com/kubernetes/kubernetes/blob/master/cmd/kubeadm/app/phases/etcd/local.go#L225-L226
 					// current liveness probe depends on the etcd /health check has a flaw that new /livez check should resolve.
 					url:                "/livez",
-					expectedStatusCode: http.StatusOK,
+					expectedStatusCode: http.StatusOK, // TODO expected behavior should be 503 or timeout after RaftLoopDeadLock check is implemented.
 				},
 				{
 					url:                "/readyz",
-					expectedStatusCode: http.StatusOK,
+					expectedStatusCode: http.StatusOK, // TODO expected behavior should be 503 or timeout after ReadIndex check is implemented.
 				},
 			},
 		},