### Question:
BlobChecker implements RegistryEndpointProvider<Optional<BlobDescriptor>> { @Override public String getHttpMethod() { return HttpMethods.HEAD; } BlobChecker(
      RegistryEndpointRequestProperties registryEndpointRequestProperties,
      DescriptorDigest blobDigest); @Override Optional<BlobDescriptor> handleResponse(Response response); @Override Optional<BlobDescriptor> handleHttpResponseException(ResponseException responseException); @Override URL getApiRoute(String apiRouteBase); @Nullable @Override BlobHttpContent getContent(); @Override List<String> getAccept(); @Override String getHttpMethod(); @Override String getActionDescription();  }### Answer:
@Test public void testGetHttpMethod() { Assert.assertEquals("HEAD", testBlobChecker.getHttpMethod()); }