fix: missing NL

Signed-off-by: Alessio Pragliola <seth.pro@gmail.com>

Author: Al-Pragliola

catalog/internal/server/openapi/api_mcp_catalog_service_service_test.go

@@ -687,4 +687,4 @@ func TestFindMCPServersFilterOptions(t *testing.T) {
 	assert.Equal(t, http.StatusNotImplemented, result.Code)
 	// The function returns an error, but err should be nil as it's handled in the response
 	assert.NoError(t, err)
-}
+}