@Test
  public void testGetCodenvyPropertiesShouldReturnErrorResponse() throws Exception {
    doThrow(new IOException("error")).when(configManager).loadInstalledCodenvyConfig();

    Response response = service.getCodenvyProperties();
    assertEquals(response.getStatus(), Response.Status.INTERNAL_SERVER_ERROR.getStatusCode());
  }
  @Test
  public void testGetCodenvyPropertiesShouldReturnOkResponse() throws Exception {
    Config testConfig = new Config(ImmutableMap.of("a", "b", "password", "c"));
    doReturn(testConfig).when(configManager).loadInstalledCodenvyConfig();

    Response response = service.getCodenvyProperties();
    assertEquals(response.getStatus(), Response.Status.OK.getStatusCode());
    assertEquals(response.getEntity().toString(), "{a=b, password=*****}");
  }