Bug 307747 EPartService doesn't render new parts
1. Have a part in a stack, it is the selected part. 2. Show another part in that stack using PartState.CREATE or PartState.VISIBLE. 3. The part should've been rendered. It is not.
tests/org.eclipse.e4.ui.tests/src/org/eclipse/e4/ui/tests/application/EPartServiceTest.java
beforeDirty, beforeDirty, true, false,
								throwException);
					} else {
						testSavePart(ISaveHandler.Save.NO, confirm,
								beforeDirty, beforeDirty, false, true,
								throwException);
					}
				} else {
					testSavePart(ISaveHandler.Save.NO, confirm, beforeDirty,
							beforeDirty, true, false, throwException);
				}
			} else if (beforeDirty) {
				if (confirm) {
					testSavePart(ISaveHandler.Save.NO, confirm, beforeDirty,
							true, true, false, throwException);
				} else {
					testSavePart(ISaveHandler.Save.NO, confirm, beforeDirty,
							false, true, true, throwException);
				}
			} else {
				if (confirm) {
					testSavePart(ISaveHandler.Save.NO, confirm, beforeDirty,
							false, true, false, throwException);
				} else {
					testSavePart(ISaveHandler.Save.NO, confirm, beforeDirty,
							false, true, false, throwException);
				}
			}
			break;
		case CANCEL: