2 Corinthians 2:9

For this was my purpose in writing, to see if you would stand the test, whether you are obedient and committed to following my instruction in all things.

2 Corinthians 10:6

being ready to punish every act of disobedience, when your own obedience [as a church] is complete.

Philippians 2:22

But you know of Timothy’s tested worth and his proven character, that he has served with me to advance the gospel like a son serving with his father.

Exodus 16:4

Then the Lord said to Moses, “Behold, I will cause bread to rain from heaven for you; the people shall go out and gather a day’s portion every day, so that I may test them [to determine] whether or not they will walk [obediently] in My instruction (law).

Deuteronomy 8:2

And you shall remember [always] all the ways which the Lord your God has led you these forty years in the wilderness, so that He might humble you and test you, to know what was in your heart (mind), whether you would keep His commandments or not.

Deuteronomy 8:16

He fed you manna in the wilderness, [a substance] which your fathers did not know, so that He might humble you [by dependence on Him] and that He might test you, to do good [things] for you at the end.

Deuteronomy 13:3

you shall not listen to the words of that prophet or that dreamer of dreams; for the Lord your God is testing you to know whether you love the Lord your God with all your heart and mind and all your soul [your entire being].

2 Corinthians 7:12-15

So even though I wrote to you [as I did], it was not for the sake of the offender nor for the sake of the one offended, but in order to make evident to you before God how earnestly you do care for us [and your willingness to accept our authority].

2 Corinthians 8:24

Therefore, show these men, in the sight of the churches, the proof of your love and our reason for being proud of you.

Philippians 2:12

So then, my dear ones, just as you have always obeyed [my instructions with enthusiasm], not only in my presence, but now much more in my absence, continue to work out your salvation [that is, cultivate it, bring it to full effect, actively pursue spiritual maturity] with awe-inspired fear and trembling [using serious caution and critical self-evaluation to avoid anything that might offend God or discredit the name of Christ].

2 Thessalonians 3:14

Now if anyone [in the church] does not obey what we say in this letter, take special note of that person and do not associate with him, so that he will be ashamed and repent.

Treasury of Scripture Knowledge

Summary

For to this end also did I write, that I might know the proof of you, whether ye be obedient in all things.

General references

Bible References

Whether

2 Corinthians 7:15
His affection is greater than ever as he remembers the obedience [to his guidance] that all of you exhibited, and how you received him with the greatest respect.
2 Corinthians 10:6
being ready to punish every act of disobedience, when your own obedience [as a church] is complete.
Philippians 2:12
So then, my dear ones, just as you have always obeyed [my instructions with enthusiasm], not only in my presence, but now much more in my absence, continue to work out your salvation [that is, cultivate it, bring it to full effect, actively pursue spiritual maturity] with awe-inspired fear and trembling [using serious caution and critical self-evaluation to avoid anything that might offend God or discredit the name of Christ].
2 Thessalonians 3:14
Now if anyone [in the church] does not obey what we say in this letter, take special note of that person and do not associate with him, so that he will be ashamed and repent.
Philemon 1:21
I write to you [perfectly] confident of your obedient compliance, since I know that you will do even more than I ask.

General references

John 20:23
If you forgive the sins of anyone they are forgiven [because of their faith]; if you retain the sins of anyone, they are retained [and remain unforgiven because of their unbelief].”