update devenv GOFLAGS

Author: negrel

flake.nix

@@ -85,7 +85,7 @@
                 ++ (with self.packages.${system}; [ libchdb ]);
 
               LD_LIBRARY_PATH = "${lib.makeLibraryPath buildInputs}";
-              GOFLAGS = "-tags=chdb";
+              GOFLAGS = "-tags=chdb,test";
               GOEXPERIMENT = "jsonv2";
             };
           };