Some of these are...

Some of these are: The people will be tested by his occultation and the level of their submission, recognition, and belief in what was revealed to the Holy Prophet, Allah’s blessings be on him and his family, will be examined. Indeed, it is the custom of Allah, the Exalted, to test the people. The creation of people, sending of Messengers, and ascension of divine scripts was naught but for testing.

Allah, the Exalted, says: “We have created man from a mixed semen [and] We [will] test him” (Quran 76:2). He, Honorable is His Glory, also says: “[He] Who created death and life to test you as to which of you is the best in conduct” (Quran 67:2), and “Do the people think that they will be left alone if they say ‘we have believed’ and they will not be tested” (Quran 29:2).