### Question:
HSplitLayout extends HLayout { public static Builder buildHSplitLayout() { return new Builder(new HSplitLayout()); } HSplitLayout(); static Builder buildHSplitLayout(); void setProportions(double proportion); Canvas getLeftMember(); void setLeftMember(Canvas member); Canvas getRightMember(); void setRightMember(Canvas member);  }### Answer:
@Test public void test_createsBuilder() { assertNotNull(HSplitLayout.buildHSplitLayout()); }
@Test public void test_createsHSplitLayout() { assertNotNull(HSplitLayout.buildHSplitLayout().build()); }