public List<String> getTaintRepositories() {
    return taintRepositories;
  }
@Test
  public void test_getTaintRepositories_withExtraReposFromConfiguration() {
    when(configuration.hasKey(EXTRA_TAINT_REPOSITORIES)).thenReturn(true);
    when(configuration.getStringArray(EXTRA_TAINT_REPOSITORIES)).thenReturn(new String[]{"extra-1", "extra-2"});
    TaintChecker underTest = new TaintChecker(configuration);
    assertThat(underTest.getTaintRepositories())
      .hasSize(8)
      .containsExactlyInAnyOrder("roslyn.sonaranalyzer.security.cs", "javasecurity", "jssecurity",
        "tssecurity", "phpsecurity", "pythonsecurity", "extra-1", "extra-2");
  }