@Override
  public boolean isEnabled() {
    return branchFeatureExtension != null && branchFeatureExtension.isAvailable();
  }
@Test
  public void return_false_when_extension_returns_false() {
    when(branchFeatureExtension.isAvailable()).thenReturn(false);
    assertThat(new BranchFeatureProxyImpl(branchFeatureExtension).isEnabled()).isFalse();
  }