chore: ensure tests are gc'd

- Ensure event listeners globally on service instantiation are garbage
  collected properly

Author: wesleycho

src/modal/modal.js

@@ -331,7 +331,7 @@ angular.module('ui.bootstrap.modal', ['ui.bootstrap.stackedMap'])
         }
       }
 
-      $document.bind('keydown', function(evt) {
+      $document.on('keydown', function(evt) {
         if (evt.isDefaultPrevented()) {
           return evt;
         }

src/modal/test/modal.spec.js

@@ -154,6 +154,7 @@ describe('$uibModal', function () {
     body.find('div.modal').remove();
     body.find('div.modal-backdrop').remove();
     body.removeClass('modal-open');
+    $document.off('keypress');
   });
 
   function triggerKeyDown(element, keyCode, shiftKey) {

src/tooltip/test/tooltip-template.spec.js

@@ -3,7 +3,8 @@ describe('tooltip template', function() {
       elmBody,
       scope,
       elmScope,
-      tooltipScope;
+      tooltipScope,
+      $document;
 
   // load the popover code
   beforeEach(module('ui.bootstrap.tooltip'));
@@ -15,7 +16,8 @@ describe('tooltip template', function() {
     $templateCache.put('myUrl', [200, '<span>{{ myTemplateText }}</span>', {}]);
   }));
 
-  beforeEach(inject(function($rootScope, $compile) {
+  beforeEach(inject(function($rootScope, $compile, _$document_) {
+    $document = _$document_;
     elmBody = angular.element(
       '<div><span uib-tooltip-template="templateUrl">Selector Text</span></div>'
     );
@@ -30,6 +32,10 @@ describe('tooltip template', function() {
     tooltipScope = elmScope.$$childTail;
   }));
 
+  afterEach(function() {
+    $document.off('keypress');
+  });
+
   function trigger(element, evt) {
     evt = new Event(evt);
 

src/tooltip/test/tooltip.spec.js

@@ -26,6 +26,10 @@ describe('tooltip', function() {
     tooltipScope = elmScope.$$childTail;
   }));
 
+  afterEach(function() {
+    $document.off('keypress');
+  });
+
   function trigger(element, evt) {
     evt = new Event(evt);
 

src/tooltip/test/tooltip2.spec.js

@@ -37,6 +37,10 @@ describe('tooltip directive', function() {
     });
   });
 
+  afterEach(function() {
+    $document.off('keypress');
+  });
+
   function compileTooltip(ttipMarkup) {
     var fragment = $compile('<div>' + ttipMarkup + '</div>')($rootScope);
     $rootScope.$digest();