user2 = insert(:user)
{:ok, _activity1} = CommonAPI.post(user2, %{"status" => "hi @#{user1.nickname}"})
{:ok, _activity2} = CommonAPI.post(user2, %{"status" => "hi @#{user1.nickname}"})
user2 = insert(:user)
{:ok, _activity1} = CommonAPI.post(user2, %{"status" => "hi @#{user1.nickname}"})
{:ok, _activity2} = CommonAPI.post(user2, %{"status" => "hi @#{user1.nickname}"})