Fixes unit test for mehod meta data where instance was removed because only the prototype was being used.

Author: mkaufmaner

packages/microservices/test/listeners-metadata-explorer.spec.ts

@@ -61,15 +61,13 @@ describe('ListenerMetadataExplorer', () => {
     });
     it(`should return undefined when "handlerType" metadata is undefined`, () => {
       const metadata = instance.exploreMethodMetadata(
-        test,
         Object.getPrototypeOf(test),
         'noPattern',
       );
       expect(metadata).to.eq(undefined);
     });
     it(`should return pattern properties when "handlerType" metadata is not undefined`, () => {
       const metadata = instance.exploreMethodMetadata(
-        test,
         Object.getPrototypeOf(test),
         'test',
       );