Bug 277513 [Compatibility] Remove WorkbenchFactory
The factory is currently used to call the e4 Workbench constructor, but it adds another layer of indirection that we don't need at this point in time. PW
tests/org.eclipse.e4.ui.tests/src/org/eclipse/e4/ui/tests/workbench/RunApplicationTest.java
}
	/*
	 * (non-Javadoc)
	 * 
	 * @see junit.framework.TestCase#tearDown()
	 */
	@Override
	protected void tearDown() throws Exception {
		if (workbench != null && display != null) {
			display.syncExec(new Runnable() {
				public void run() {
					workbench.close();
				}
			});
		}
		if (instanceLocation != null) {
			instanceLocation.close();
			instanceLocation = null;
		}
		if (instanceAppContext != null) {
			instanceAppContext.close();
			instanceAppContext = null;
		}
		if (bundleTracker != null) {
			bundleTracker.close();
			bundleTracker = null;
		}
	}
	protected Location getInstanceLocation() {
		if (instanceLocation == null) {