Fix jasmine fake publisher messing with follow up tests in random order

Changelog.md

@@ -1,6 +1,7 @@
 # 0.7.18.0
 
 ## Refactor
+* Fix order-dependent jasmine test failures and switch to random order [#8333](https://github.com/diaspora/diaspora/pull/8333)
 
 ## Bug fixes
 

spec/javascripts/app/router_spec.js

@@ -179,6 +179,7 @@ describe('app.Router', function () {
       app.publisher = { jasmineTestValue: 42 };
       app.router._initializeStreamView();
       expect(app.publisher.jasmineTestValue).toEqual(42);
+      delete app.publisher; // don't leave fake publisher around
     });
 
     it("doesn't set app.publisher if there is no publisher element in page", function() {