let Menu = element(by.xpath("//md-tab-item[text()='Menu']"))

       const check = () => {

           browser.waitForAngular()
               .then(browser.sleep(3000)).then(browser.driver.navigate().refresh())


           if (Menu) {
               console.log("Menu tab available.")
               callback()
           }
           else{
               console.log("Menu tab not available. Please refresh")
               check()
       }
       }
           check()
   });

<md-tab-item tabindex="0" class="md-tab  md-active" ng-repeat="tab in $mdTabsCtrl.tabs" role="tab" id="tab-item-0" md-tab-id="0" aria-selected="true" aria-disabled="false" ng-click="$mdTabsCtrl.select(tab.getIndex())" ng-focus="$mdTabsCtrl.hasFocus = true" ng-blur="$mdTabsCtrl.hasFocus = false" ng-class="{ 'md-active':    tab.isActive(), 'md-focused':   tab.hasFocus(), 'md-disabled':  tab.scope.disabled }" ng-disabled="tab.scope.disabled" md-swipe-left="$mdTabsCtrl.nextPage()" md-swipe-right="$mdTabsCtrl.previousPage()" md-tabs-template="::tab.label" md-scope="::tab.parent" aria-controls="tab-content-0">Home</md-tab-item>

<md-tab-item tabindex="-1" class="md-tab" ng-repeat="tab in $mdTabsCtrl.tabs" role="tab" id="tab-item-2" md-tab-id="2" aria-selected="false" aria-disabled="false" ng-click="$mdTabsCtrl.select(tab.getIndex())" ng-focus="$mdTabsCtrl.hasFocus = true" ng-blur="$mdTabsCtrl.hasFocus = false" ng-class="{ 'md-active':    tab.isActive(), 'md-focused':   tab.hasFocus(), 'md-disabled':  tab.scope.disabled }" ng-disabled="tab.scope.disabled" md-swipe-left="$mdTabsCtrl.nextPage()" md-swipe-right="$mdTabsCtrl.previousPage()" md-tabs-template="::tab.label" md-scope="::tab.parent" aria-controls="tab-content-2" style="">Profile<iv class="md-ripple-container" style=""></div></md-tab-item>

<md-tab-item tabindex="0" class="md-tab  md-active" ng-repeat="tab in $mdTabsCtrl.tabs" role="tab" id="tab-item-0" md-tab-id="0" aria-selected="true" aria-disabled="false" ng-click="$mdTabsCtrl.select(tab.getIndex())" ng-focus="$mdTabsCtrl.hasFocus = true" ng-blur="$mdTabsCtrl.hasFocus = false" ng-class="{ 'md-active':    tab.isActive(), 'md-focused':   tab.hasFocus(), 'md-disabled':  tab.scope.disabled }" ng-disabled="tab.scope.disabled" md-swipe-left="$mdTabsCtrl.nextPage()" md-swipe-right="$mdTabsCtrl.previousPage()" md-tabs-template="::tab.label" md-scope="::tab.parent" aria-controls="tab-content-0">Menu</md-tab-item>