Fix error handling in invitation resend test

- Updated the `TestInvitationResend` function to properly handle errors when sending the invitation request, ensuring that any failures are reported during the test execution.
- This change improves the reliability of the test by providing clearer feedback on issues encountered during the invitation process.

openapi/tests/user/invitation_test.go

@@ -610,7 +610,10 @@ func TestInvitationResend(t *testing.T) {
 	req.Header.Set("Authorization", "Bearer "+tokenInfo.AccessToken)
 
 	httpClient := &http.Client{Timeout: 10 * time.Second}
-	createResp, _ := httpClient.Do(req)
+	createResp, err := httpClient.Do(req)
+	if err != nil {
+		t.Fatalf("Failed to create invitation: %v", err)
+	}
 	defer createResp.Body.Close()
 
 	var createResult map[string]interface{}