test(mcp): toolset metadata assertion (#318)

This test ensures that any tool definition refactoring
preserves the current behavior.

Signed-off-by: Marc Nuri <[email protected]>

Author: manusa

go.mod

@@ -12,6 +12,7 @@ require (
 	github.com/spf13/afero v1.15.0
 	github.com/spf13/cobra v1.10.1
 	github.com/spf13/pflag v1.0.10
+	github.com/stretchr/testify v1.10.0
 	golang.org/x/oauth2 v0.31.0
 	golang.org/x/sync v0.17.0
 	helm.sh/helm/v3 v3.18.6