Bug 327044 EPartService's hidePart(*) should unset the part's parent element if the part is the selected element
It is not valid to have a selected element that's TBR flag is 'false'.
tests/org.eclipse.e4.ui.tests/src/org/eclipse/e4/ui/tests/application/EPartServiceTest.java
public void testSavePart_NoTrueTrueFalse() {
		testSavePart(ISaveHandler.Save.NO, true, true, false);
	}
	public void testSavePart_NoTrueFalseTrue() {
		testSavePart(ISaveHandler.Save.NO, true, false, true);
	}
	public void testSavePart_NoTrueFalseFalse() {
		testSavePart(ISaveHandler.Save.NO, true, false, false);
	}
	public void testSavePart_NoFalseTrueTrue() {
		testSavePart(ISaveHandler.Save.NO, false, true, true);
	}
	public void testSavePart_NoFalseTrueFalse() {
		testSavePart(ISaveHandler.Save.NO, false, true, false);
	}
	public void testSavePart_NoFalseFalseTrue() {
		testSavePart(ISaveHandler.Save.NO, false, false, true);
	}
	public void testSavePart_NoFalseFalseFalse() {
		testSavePart(ISaveHandler.Save.NO, false, false, false);
	}
	public void testSavePart_CancelTrueTrueTrue() {
		testSavePart(ISaveHandler.Save.CANCEL, true, true, true);
	}
	public void testSavePart_CancelTrueTrueFalse() {
		testSavePart(ISaveHandler.Save.CANCEL, true, true, false);
	}
	public void testSavePart_CancelTrueFalseTrue() {
		testSavePart(ISaveHandler.Save.CANCEL, true, false, true);
	}