fix(tests): Make IE10/IE11 pass all the mocha tests.

* IE10 passes with no additional work.
* IE11 requires mouse interaction for the tests to complete correctly.

issue #1334

app/scripts/lib/assertion.js

@@ -10,24 +10,27 @@ define([
   'lib/fxa-client'
 ],
 function (P, jwcrypto, FxaClient) {
-
   var client = new FxaClient();
   var CERT_DURATION_MS = 1000 * 60 * 60 * 6; // 6hrs
   var ASSERTION_DURATION_MS = 1000 * 60 * 5; // 5mins
 
   function keyPair() {
-    var d = P.defer();
-    // for DSA-128 reasons, see http://goo.gl/uAjE41
-    jwcrypto.generateKeypair({
-      algorithm: 'DS',
-      keysize: 128
-    }, function (err, keypair) {
-      if (err) {
-        return d.reject(err);
-      }
-      d.resolve(keypair);
-    });
-    return d.promise;
+    return client.getRandomBytes()
+      .then(function(bytes) {
+        jwcrypto.addEntropy(bytes);
+        var d = P.defer();
+        // for DSA-128 reasons, see http://goo.gl/uAjE41
+        jwcrypto.generateKeypair({
+          algorithm: 'DS',
+          keysize: 128
+        }, function (err, keypair) {
+          if (err) {
+            return d.reject(err);
+          }
+          d.resolve(keypair);
+        });
+        return d.promise;
+      });
   }
 
   function certificate(audience) {

app/scripts/lib/fxa-client.js

@@ -91,6 +91,13 @@ function (FxaClient, $, p, Session, AuthErrors, Constants) {
       return defer.promise;
     },
 
+    getRandomBytes: function () {
+      return this._getClientAsync()
+        .then(function (client) {
+          return client.getRandomBytes();
+        });
+    },
+
     /**
      * Check the user's current password without affecting session state.
      */

app/tests/spec/lib/assertion.js

@@ -24,7 +24,7 @@ function (chai, $, P,
   /*global beforeEach, afterEach, describe, it*/
   var assert = chai.assert;
   var AUDIENCE = 'http://123done.org';
-  var ISSUER = 'http://127.0.0.1:9000';
+  var ISSUER = 'http://' + document.location.hostname + ':9000';
   var email;
   var password = 'password';
   var client;

app/tests/spec/lib/fxa-client.js

@@ -510,6 +510,15 @@ function (chai, $, p, ChannelMock, testHelpers,
       });
     });
 
+    describe('getRandomBytes', function () {
+      it('snags some entropy from somewhere', function () {
+        return client.getRandomBytes()
+            .then(function (bytes) {
+              assert.ok(bytes);
+            });
+      });
+    });
+
   });
 });
 

app/tests/spec/views/base.js

@@ -141,7 +141,7 @@ function (chai, jQuery, BaseView, Translator, EphemeralMessages, Metrics,
         jQuery('html').removeClass('no-touch');
       });
 
-      it('focuses descendent element containing `autofocus` if html has `no-touch` class', function () {
+      it('focuses descendent element containing `autofocus` if html has `no-touch` class', function (done) {
         requiresFocus(function () {
           jQuery('html').addClass('no-touch');
           // wekbit fails unless focusing another element first.
@@ -151,22 +151,35 @@ function (chai, jQuery, BaseView, Translator, EphemeralMessages, Metrics,
           jQuery('#focusMe').on('focus', function () {
             handlerCalled = true;
           });
-          view.afterVisible();
 
-          assert.isTrue(handlerCalled);
-        });
+          // IE focuses the elements asynchronously.
+          // Add a bit of delay to give the browser time to do its thing.
+          setTimeout(function () {
+            assert.isTrue(handlerCalled);
+            done();
+          }, 200);
+
+          view.afterVisible();
+        }, done);
       });
 
-      it('does not focus descendent element containing `autofocus` if html does not have `no-touch` class', function () {
+      it('does not focus descendent element containing `autofocus` if html does not have `no-touch` class', function (done) {
         requiresFocus(function () {
           var handlerCalled = false;
           jQuery('#focusMe').on('focus', function () {
             handlerCalled = true;
           });
-          view.afterVisible();
 
-          assert.isFalse(handlerCalled);
-        });
+          // IE focuses the elements asynchronously.
+          // Add a bit of delay to give the browser time to focus
+          // the element, if it erroneously does so.
+          setTimeout(function () {
+            assert.isFalse(handlerCalled);
+            done();
+          }, 200);
+
+          view.afterVisible();
+        }, done);
       });
     });