add proposal changes

Author: e-filchenko-bosh

core/esmf-aspect-meta-model-java/src/main/java/org/eclipse/esmf/aspectmodel/resolver/FileSystemStrategy.java

@@ -95,6 +95,9 @@ public AspectModelFile apply( final AspectModelUrn aspectModelUrn, final Resolut
          final RawAspectModelFile loadedFile = tryFile.get();
          if ( resolutionStrategySupport.containsDefinition( loadedFile, aspectModelUrn ) ) {
             return loadedFile;
+         } else {
+            checkedLocations.add( new ModelResolutionException.LoadingFailure( aspectModelUrn, namedResourceFile.getAbsolutePath(),
+                  "File does not contain the element definition" ) );
          }
       } else {
          checkedLocations.add( new ModelResolutionException.LoadingFailure( aspectModelUrn, namedResourceFile.getAbsolutePath(),