Ios KIF无法强制应用程序进入后台

当应用程序推送到后台并恢复应用程序时，我遇到问题。 当应用程序推到后台时，它无法强制地面恢复我的应用程序 这是我的密码：

   - (void)testResumingEditProfile {
    self.methodName = NSStringFromSelector(_cmd);

    user = [TestUser sharedInstance].defaultNextUser;
    user.username = @"347";
    [tester doLoginSuccessfully:user];

    app = [UITestApp sharedInstance];
    screen = [tester navigateToOverviewPage];

    employee = [[TestEmployee alloc] init].profileEmployee;

    [self openEditProfile];
    [tester catpureScreen:[self getCaptureScreenName:@"afterOpenEditProfile"]];

    [system deactivateAppForDuration:5]; //Code to deactive and resume app
    [tester catpureScreen:[self getCaptureScreenName:@"afterResumeEditProfile"]];

    [tester waitForView:@"text-first-name" in:screen];
    [tester waitForView:@"text-last-name" in:screen];

    [tester tap:@"label-show-detail" in:screen];
    [tester catpureScreen:[self getCaptureScreenName:@"afterOpenDetail"]];

    [system deactivateAppForDuration:5]; //Code to deactive and resume app
    [tester catpureScreen:[self getCaptureScreenName:@"afterResumeEditProfileDetail"]];
    [tester waitForView:@"label-personal-infomation" in:screen];
    [tester waitForView:@"label-contact-infomation" in:screen];
}

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请找个人帮我解决这个问题。谢谢。

很遗憾，此功能不受支持。不过，还有一些变通办法。看到这个github问题了吗