Bug 280846 [UI][CSS] Null styling engine required in main context for tests to run
bundles/org.eclipse.e4.ui.workbench/src/org/eclipse/e4/workbench/ui/internal/Workbench.java
try {
				System.err.println("Saving workbench: " 
						+ ((EObject) workbench).eResource().getURI());
				
				
				
				
				
				((EObject) workbench).eResource().save(null);
			} catch (IOException e) {
				
				e.printStackTrace();
			}
		}
		return rv;
	}
	private void processHandlers(MPart<MPart<?>> part) {
		IEclipseContext context = part.getContext();
		if (context != null) {
			EHandlerService hs = (EHandlerService) context.get(EHandlerService.class.getName());
			EList<MHandler> handlers = part.getHandlers();
			for (MHandler handler : handlers) {
				String commandId = handler.getCommand().getId();
				if (handler.getObject() == null) {
					handler.setObject(contributionFactory.create(handler.getURI(), context));
				}
				hs.activateHandler(commandId, handler.getObject());
			}
		}
		EList<MPart<?>> children = part.getChildren();