public Object answer(InvocationOnMock invocation) {
                return new InputStreamWrapper(new ByteArrayInputStream(contents));
              }
This tests the MicrosoftPhotosImporter. As of now, it only tests the number of requests called.
More tests are needed to test request bodies and parameters.
extensions/data-transfer/portability-data-transfer-microsoft/src/test/java/org/datatransferproject/transfer/microsoft/photos/MicrosoftPhotosImporterTest.java