tests: authorship test fix (#4001)

* Placeholderfortest

* rename script and make it work

tests/frontend/specs/multiple_authors_clear_authorship_colors.js

@@ -0,0 +1,51 @@
+describe('author of pad edition', function() {
+  // author 1 creates a new pad with some content (regular lines and lists)
+  before(function(done) {
+    var padId = helper.newPad(function() {
+      // make sure pad has at least 3 lines
+      var $firstLine = helper.padInner$('div').first();
+      $firstLine.html("Hello World");
+
+      // wait for lines to be processed by Etherpad
+      helper.waitFor(function() {
+        return $firstLine.text() === 'Hello World';
+      }).done(function() {
+        // Reload pad, to make changes as a second user. Need a timeout here to make sure
+        // all changes were saved before reloading
+        setTimeout(function() {
+          // Expire cookie, so author is changed after reloading the pad.
+          // See https://developer.mozilla.org/en-US/docs/Web/API/Document/cookie#Example_4_Reset_the_previous_cookie
+          helper.padChrome$.document.cookie = 'token=foo;expires=Thu, 01 Jan 1970 00:00:00 GMT; path=/';
+
+          helper.newPad(done, padId);
+        }, 1000);
+      });
+    });
+    this.timeout(60000);
+  });
+
+  // author 2 makes some changes on the pad
+  it('Clears Authorship by second user', function(done) {
+    clearAuthorship(done);
+  });
+
+  var clearAuthorship = function(done){
+    var inner$ = helper.padInner$;
+    var chrome$ = helper.padChrome$;
+
+    // override the confirm dialogue functioon
+    helper.padChrome$.window.confirm = function(){
+      return true;
+    }
+
+    //get the clear authorship colors button and click it
+    var $clearauthorshipcolorsButton = chrome$(".buttonicon-clearauthorship");
+    $clearauthorshipcolorsButton.click();
+
+    // does the first divs span include an author class?
+    var hasAuthorClass = inner$("div span").first().attr("class").indexOf("author") !== -1;
+
+    expect(hasAuthorClass).to.be(false)
+    done();
+  }
+});