diff --git a/tests/e2e/v3_curl_auth_test.go b/tests/e2e/v3_curl_auth_test.go
index 59a68efea139..8ce8c61377fb 100644
--- a/tests/e2e/v3_curl_auth_test.go
+++ b/tests/e2e/v3_curl_auth_test.go
@@ -121,7 +121,7 @@ func testCurlV3Auth(cx ctlCtx) {
 		if err = e2e.CURLPost(cx.epc, e2e.CURLReq{
 			Endpoint: "/v3/kv/put",
 			Value:    string(putreq),
-			Expected: expect.ExpectedResponse{Value: "error"},
+			Expected: expect.ExpectedResponse{Value: "etcdserver: user name is empty"},
 		}); err != nil {
 			cx.t.Fatalf("testCurlV3Auth failed to put without token (%v)", err)
 		}
diff --git a/tests/e2e/v3_curl_election_test.go b/tests/e2e/v3_curl_election_test.go
index 8904da0f86b5..01c7194ed3b6 100644
--- a/tests/e2e/v3_curl_election_test.go
+++ b/tests/e2e/v3_curl_election_test.go
@@ -124,7 +124,7 @@ func testCurlV3ProclaimMissiongLeaderKey(cx ctlCtx) {
 	if err = e2e.CURLPost(cx.epc, e2e.CURLReq{
 		Endpoint: "/v3/election/proclaim",
 		Value:    string(pdata),
-		Expected: expect.ExpectedResponse{Value: `{"error":"\"leader\" field must be provided","code":2,"message":"\"leader\" field must be provided"}`},
+		Expected: expect.ExpectedResponse{Value: `"message":"\"leader\" field must be provided"`},
 	}); err != nil {
 		cx.t.Fatalf("failed post proclaim request (%v)", err)
 	}
@@ -138,7 +138,7 @@ func testCurlV3ResignMissiongLeaderKey(cx ctlCtx) {
 	if err := e2e.CURLPost(cx.epc, e2e.CURLReq{
 		Endpoint: "/v3/election/resign",
 		Value:    `{}`,
-		Expected: expect.ExpectedResponse{Value: `{"error":"\"leader\" field must be provided","code":2,"message":"\"leader\" field must be provided"}`},
+		Expected: expect.ExpectedResponse{Value: `"message":"\"leader\" field must be provided"`},
 	}); err != nil {
 		cx.t.Fatalf("failed post resign request (%v)", err)
 	}
diff --git a/tests/e2e/v3_curl_kv_test.go b/tests/e2e/v3_curl_kv_test.go
index ce5b475f744d..3c553ae4ad8c 100644
--- a/tests/e2e/v3_curl_kv_test.go
+++ b/tests/e2e/v3_curl_kv_test.go
@@ -155,7 +155,7 @@ func testCurlV3KVTxn(cx ctlCtx) {
 	jsonDat, jerr := m.Marshal(txn)
 	require.NoError(cx.t, jerr)
 
-	expected := `"succeeded":true,"responses":[{"response_put":{"header":{"revision":"2"}}}]`
+	expected := `"succeeded":true`
 	err := e2e.CURLPost(cx.epc, e2e.CURLReq{
 		Endpoint: "/v3/kv/txn",
 		Value:    string(jsonDat),
@@ -168,7 +168,7 @@ func testCurlV3KVTxn(cx ctlCtx) {
 	err = e2e.CURLPost(cx.epc, e2e.CURLReq{
 		Endpoint: "/v3/kv/txn",
 		Value:    malformed,
-		Expected: expect.ExpectedResponse{Value: "error"},
+		Expected: expect.ExpectedResponse{Value: "etcdserver: key not found"},
 	})
 	require.NoErrorf(cx.t, err, "testCurlV3Txn with malformed request failed")
 }