@Override
  public String getDocumentationLink(@Nullable String suffix) {
    return documentationBaseUrl + Optional.ofNullable(suffix).orElse("");
  }
@Test
  public void getDocumentationLink_whenSuffixProvided_concatenatesIt() {
    String generatedLink = documentationLinkGenerator.getDocumentationLink(TEST_SUFFIX);

    assertThat(generatedLink).isEqualTo(DOCUMENTATION_PUBLIC_URL + "100.1000/documentation/analyzing-source-code/scm-integration/");
  }