diff --git a/internal/server/mcp_test.go b/internal/server/mcp_test.go
index b1122edc3b..7fec2a669c 100644
--- a/internal/server/mcp_test.go
+++ b/internal/server/mcp_test.go
@@ -231,7 +231,7 @@ func TestMcpEndpointWithoutInitialized(t *testing.T) {
 				"id":      "tools-call-tool4",
 				"error": map[string]any{
 					"code":    -32600.0,
-					"message": "unauthorized Tool call: Please make sure you specify correct auth headers: <nil>",
+					"message": "unauthorized Tool call: Please make sure you specify correct auth headers",
 				},
 			},
 		},
@@ -834,7 +834,7 @@ func TestMcpEndpoint(t *testing.T) {
 						"id":      "tools-call-tool4",
 						"error": map[string]any{
 							"code":    -32600.0,
-							"message": "unauthorized Tool call: Please make sure you specify correct auth headers: <nil>",
+							"message": "unauthorized Tool call: Please make sure you specify correct auth headers",
 						},
 					},
 				},
diff --git a/tests/cloudsql/cloud_sql_restore_backup_test.go b/tests/cloudsql/cloud_sql_restore_backup_test.go
index c0bc4f71ca..f1d634809e 100644
--- a/tests/cloudsql/cloud_sql_restore_backup_test.go
+++ b/tests/cloudsql/cloud_sql_restore_backup_test.go
@@ -97,7 +97,7 @@ func (h *masterRestoreBackupHandler) ServeHTTP(w http.ResponseWriter, r *http.Re
 	default:
 		w.Header().Set("Content-Type", "application/json")
 		w.WriteHeader(http.StatusOK)
-		json.NewEncoder(w).Encode(map[string]string{
+		_ = json.NewEncoder(w).Encode(map[string]string{
 			"error": "source project and instance are required when restoring via backup ID",
 		})
 		return