def METHOD_NAME(using_opengl_renderer):
    """Test the VGroup remove method."""
    a = OpenGLVMobject()
    c = OpenGLVMobject()
    b = VGroup(c)
    obj = VGroup(a, b)
    assert len(obj.submobjects) == 2
    assert len(b.submobjects) == 1
    obj.remove(a)
    b.remove(c)
    assert len(obj.submobjects) == 1
    assert len(b.submobjects) == 0
    obj.remove(b)
    assert len(obj.submobjects) == 0