rip out lolex also

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

package.json

@@ -78,7 +78,6 @@
     "exorcist": "^1.0.1",
     "jest": "^23.6.0",
     "jsdoc": "^3.5.5",
-    "lolex": "^1.5.2",
     "matrix-mock-request": "^1.2.3",
     "olm": "https://packages.matrix.org/npm/olm/olm-3.1.4.tgz",
     "rimraf": "^3.0.0",

spec/unit/realtime-callbacks.spec.js

@@ -3,24 +3,21 @@
 import 'source-map-support/register';
 const callbacks = require("../../src/realtime-callbacks");
 
-import lolex from 'lolex';
+let wallTime = 1234567890;
+jest.useFakeTimers();
 
 describe("realtime-callbacks", function() {
-    let clock;
-
     function tick(millis) {
-        clock.tick(millis);
+        wallTime += millis;
+        jest.advanceTimersByTime(millis);
     }
 
     beforeEach(function() {
-        clock = lolex.install();
-        const fakeDate = clock.Date;
-        callbacks.setNow(fakeDate.now.bind(fakeDate));
+        callbacks.setNow(() => wallTime);
     });
 
     afterEach(function() {
         callbacks.setNow();
-        clock.uninstall();
     });
 
     describe("setTimeout", function() {
@@ -33,7 +30,6 @@ describe("realtime-callbacks", function() {
             expect(callback).toHaveBeenCalled();
         });
 
-
         it("should default to a zero timeout", function() {
             const callback = jest.fn();
             callbacks.setTimeout(callback);

src/realtime-callbacks.js

@@ -48,7 +48,7 @@ const debuglog = function() {};
  *
  * Intended for use by the unit tests.
  *
- * @param {function} f function which should return a millisecond counter
+ * @param {function} [f] function which should return a millisecond counter
  *
  * @internal
  */

yarn.lock

@@ -3882,11 +3882,6 @@ loglevel@^1.6.4:
   resolved "https://registry.yarnpkg.com/loglevel/-/loglevel-1.6.4.tgz#f408f4f006db8354d0577dcf6d33485b3cb90d56"
   integrity sha512-p0b6mOGKcGa+7nnmKbpzR6qloPbrgLcnio++E+14Vo/XffOGwZtRpUhr8dTH/x2oCMmEoIU0Zwm3ZauhvYD17g==
 
-lolex@^1.5.2:
-  version "1.6.0"
-  resolved "https://registry.yarnpkg.com/lolex/-/lolex-1.6.0.tgz#3a9a0283452a47d7439e72731b9e07d7386e49f6"
-  integrity sha1-OpoCg0UqR9dDnnJzG54H1zhuSfY=
-
 loose-envify@^1.0.0:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/loose-envify/-/loose-envify-1.4.0.tgz#71ee51fa7be4caec1a63839f7e682d8132d30caf"