Correctly handle functions that are scheduled after the clock is uninstalled and reinstalled from within Clock#tick.

Fixes #790.

spec/core/DelayedFunctionSchedulerSpec.js

@@ -113,47 +113,6 @@ describe("DelayedFunctionScheduler", function() {
     expect(fn).not.toHaveBeenCalled();
   });
 
-  it("reset removes scheduled functions", function() {
-    var scheduler = new j$.DelayedFunctionScheduler(),
-      fn = jasmine.createSpy('fn');
-
-    scheduler.scheduleFunction(fn, 0);
-
-    expect(fn).not.toHaveBeenCalled();
-
-    scheduler.reset();
-
-    scheduler.tick(0);
-
-    expect(fn).not.toHaveBeenCalled();
-  });
-
-  it("reset resets the returned ids", function() {
-    var scheduler = new j$.DelayedFunctionScheduler();
-    expect(scheduler.scheduleFunction(function() { }, 0)).toBe(1);
-    expect(scheduler.scheduleFunction(function() { }, 0, [], false, 123)).toBe(123);
-
-    scheduler.reset();
-    expect(scheduler.scheduleFunction(function() { }, 0)).toBe(1);
-    expect(scheduler.scheduleFunction(function() { }, 0, [], false, 123)).toBe(123);
-  });
-
-  it("reset resets the current tick time", function() {
-    var scheduler = new j$.DelayedFunctionScheduler(),
-      fn = jasmine.createSpy('fn');
-
-    expect(fn).not.toHaveBeenCalled();
-
-    scheduler.tick(15);
-    scheduler.reset();
-
-    scheduler.scheduleFunction(fn, 20, [], false, 1, 20);
-
-    scheduler.tick(5);
-
-    expect(fn).not.toHaveBeenCalled();
-  });
-
   it("executes recurring functions interleaved with regular functions in the correct order", function() {
     var scheduler = new j$.DelayedFunctionScheduler(),
       fn = jasmine.createSpy('fn'),