### Question:
VSplitLayout extends VLayout { public Canvas getBottomMember() { return bottom; } VSplitLayout(); static Builder buildVSplitLayout(); void setProportions(double proportion); Canvas getTopMember(); void setTopMember(Canvas member); Canvas getBottomMember(); void setBottomMember(Canvas member);  }### Answer:
@Test public void test_returnsNullIfNoBottomMemberSet() { assertNull(vSplitLayout.getBottomMember()); }