Testing TypeResolvers

Hi, we're experiencing a problem while trying to load the input and output datasense metadata for one of our Mule 4 connectors. This was previously working in Studio 6/Devkit version of the connector.

We have a an operation with the following signature:

 @OutputResolver(output = SampleOutputEntityResolver.class)
     @Alias("SomeOperation")
     public Result<Map<String, Object>, Void> operationOne(@Config SampleConfiguration configuration, @Connection SampleConnection connection, @MetadataKeyId(SampleNameKeysResolver.class) String myKey, @Content @TypeResolver(SampleInputEntityResolver.class) Map<String, Object> myInputParameters) 

And the SampleInputEntityResolver code is not being invoked upon the selection of a myKey value in a dropdown list of possible options (fetched by another Metadata resolver).

We're short on options to test this behavior outside Studio and within Studio we have no means to see why the SampleInputEntityResolver code is not being called.

What would be the right way to test InputEntityResolvers? Thanks