chore(test): reorder test cases

relates to #1460

spec/operators/publishReplay-spec.ts

@@ -23,6 +23,34 @@ describe('Observable.prototype.publishReplay', () => {
     expect(source instanceof Rx.ConnectableObservable).toBe(true);
   });
 
+  it('should follow the RxJS 4 behavior and NOT allow you to reconnect by subscribing again', (done: DoneSignature) => {
+    const expected = [1, 2, 3, 4];
+    let i = 0;
+
+    const source = Observable.of(1, 2, 3, 4).publishReplay(1);
+
+    const results = [];
+
+    source.subscribe(
+      (x: number) => {
+        expect(x).toBe(expected[i++]);
+      },
+      done.fail,
+      () => {
+        i = 0;
+
+        source.subscribe((x: number) => {
+          results.push(x);
+        }, done.fail, done);
+
+        source.connect();
+      });
+
+    source.connect();
+
+    expect(results).toEqual([4]);
+  });
+
   it('should do nothing if connect is not called, despite subscriptions', () => {
     const source = cold('--1-2---3-4--5-|');
     const sourceSubs = [];
@@ -390,4 +418,4 @@ describe('Observable.prototype.publishReplay', () => {
 
     expect(results).toEqual([4]);
   });
-});
+});