2 Corinthians 2:9

for, for this also did I write, that I might know the proof of you, whether in regard to all things ye are obedient.

2 Corinthians 10:6

and being in readiness to avenge every disobedience, whenever your obedience may be fulfilled.

Philippians 2:22

and the proof of him ye know, that as a child serveth a father, with me he did serve in regard to the good news;

Exodus 16:4

And Jehovah saith unto Moses, 'Lo, I am raining to you bread from the heavens -- and the people have gone out and gathered the matter of a day in its day -- so that I try them whether they walk in My law, or not;

Deuteronomy 8:2

and thou hast remembered all the way which Jehovah thy God hath caused thee to go these forty years in the wilderness, in order to humble thee to try thee, to know that which is in thy heart, whether thou dost keep His commands or not.

Deuteronomy 8:16

who is causing thee to eat manna in the wilderness, which thy fathers have not known, in order to humble thee, and in order to try thee, to do thee good in thy latter end),

Deuteronomy 13:3

thou dost not hearken unto the words of that prophet, or unto that dreamer of the dream, for Jehovah your God is trying you, to know whether ye are loving Jehovah your God with all your heart, and with all your soul;

2 Corinthians 7:12-15

If, then, I also wrote to you -- not for his cause who did wrong, nor for his cause who did suffer wrong, but for our diligence in your behalf being manifested unto you before God --

2 Corinthians 8:24

the shewing therefore of your love, and of our boasting on your behalf, to them shew ye, even in the face of the assemblies.

Philippians 2:12

So that, my beloved, as ye always obey, not as in my presence only, but now much more in my absence, with fear and trembling your own salvation work out,

2 Thessalonians 3:14

and if any one do not obey our word through the letter, this one note ye, and have no company with him, that he may be ashamed,

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
and his tender affection is more abundantly toward you, remembering the obedience of you all, how with fear and trembling ye did receive him;
2 Corinthians 10:6
and being in readiness to avenge every disobedience, whenever your obedience may be fulfilled.
Philippians 2:12
So that, my beloved, as ye always obey, not as in my presence only, but now much more in my absence, with fear and trembling your own salvation work out,
2 Thessalonians 3:14
and if any one do not obey our word through the letter, this one note ye, and have no company with him, that he may be ashamed,
Philemon 1:21
having been confident in thy obedience I did write to thee, having known that also above what I may say thou wilt do;

General references

John 20:23
if of any ye may loose the sins, they are loosed to them; if of any ye may retain, they have been retained.'