test: Update tests for upstream preact fix

Author: rschristian

test/router.test.js

@@ -248,8 +248,7 @@ describe('Router', () => {
 
 		expect(scratch).to.have.property('innerHTML', '<h1>A</h1><p>hello</p>');
 		// We should never re-invoke <A /> while loading <B /> (that would be a remount of the old route):
-		// ...but we do
-		//expect(A).not.to.have.been.called;
+		expect(A).not.to.have.been.called;
 		expect(B).to.have.been.calledWith({ path: '/b', query: {}, params: {}, rest: '' });
 
 		B.resetHistory();
@@ -275,8 +274,7 @@ describe('Router', () => {
 
 		expect(scratch).to.have.property('innerHTML', '<h1>B</h1><p>hello</p>');
 		// We should never re-invoke <B /> while loading <C /> (that would be a remount of the old route):
-		// ...but we do
-		//expect(B).not.to.have.been.called;
+		expect(B).not.to.have.been.called;
 		expect(C).to.have.been.calledWith({ path: '/c', query: {}, params: {}, rest: '' });
 
 		C.resetHistory();