Support escaping inm grammar rules

Change-Id: I87e01605be27f165cfb4eaee69315c312e51f326
diff --git a/cmd/termmapper/main_test.go b/cmd/termmapper/main_test.go
index 7b83811..07bd176 100644
--- a/cmd/termmapper/main_test.go
+++ b/cmd/termmapper/main_test.go
@@ -239,7 +239,7 @@
 				assert.Equal(t, tt.expectedError, errResp["error"])
 			} else {
 				// Compare JSON responses
-				var expected, actual interface{}
+				var expected, actual any
 				err = json.Unmarshal([]byte(tt.expectedBody), &expected)
 				require.NoError(t, err)
 				err = json.Unmarshal(body, &actual)