Httppost method is not invoking using jasmine

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AngularJs

Jasmine

i had created one controller to test jasmine test cases. i had written one http post method in jasmine test case but it can not execute. below code which i used in my controller

try
    {
        var $httpBackend;

        describe('mycontroller', function () {
            beforeEach(module('app'));

            it('scopeTestSpec',
                inject(function ($controller, $rootScope, $injector) {

                    var $scope = $rootScope.$new();
                    $controller('MyController',
                    {
                        $scope: $scope
                    });

                    $httpBackend = $injector.get('$httpBackend');

                    var sample = [];
                    sample = {
                        Email: "abc@gmail.com",
                        Password: "1111"
                    };               

                   $httpBackend.whenPOST('URL',sample).respond(function (method, url, data, headers) {
                        console.log('Received these data:', method, url, data, headers);
                    });

                    $httpBackend.flush();

                }));
        });
    } catch (e) {
        alert(e);
    }

What I have tried:

i had created one controller to test jasmine test cases. i had written one http post method in jasmine test case but it can not execute.