Check Aspect Model if migration is successful (#10)

* Check Aspect Model if migration is successful

If shared Aspect Models are defined, they may no longer be available. In this case the editor should receive this information and consider the aspect model as not integrated.

* Fix unit test

Author: michelu89

src/main/java/io/openmanufacturing/ame/services/ModelService.java

@@ -132,12 +132,17 @@ private Namespace resolveNamespace( final List<Namespace> namespaces, final Aspe
    private void namespaceFileInfo( final Namespace namespace, final Try<VersionedModel> model,
          final AspectModelUrn aspectModelUrn, final String storagePath ) {
 
+      boolean modelIsSuccess = false;
+
       if ( model.isSuccess() ) {
          saveVersionedModel( model.get(), aspectModelUrn, storagePath );
+         modelIsSuccess = !getModel(
+               namespace.versionedNamespace + ':' + aspectModelUrn.getName() + ModelUtils.TTL_EXTENSION,
+               Optional.of( storagePath ) ).contains( "undefined:" );
       }
 
       final AspectModelFile aspectModelFile = new AspectModelFile( aspectModelUrn.getName() + ModelUtils.TTL_EXTENSION,
-            model.isSuccess() );
+            modelIsSuccess );
 
       namespace.addAspectModelFile( aspectModelFile );
    }