In a personal form, yes. Jesus grew in grace and truth while on this earth. I consider that though God knows all, each of His Persons can specialize in what each Person actively and consciously knows.
As Jesus grows in us (Galatians 4:19), we in union with Him become more and more creative
as He grows in us. But God by nature is always fully and perfectly creative; but what He is doing in us can grow.
God can already know everything, but how much his family and friends become able to share with Him is what grows. This could be the case, in your example below >
Knowing can mean what you are aware of and it can mean acknowledging, recognizing with someone else what you already knew by yourself. I think this means the LORD was recognizing and acknowledging in relationship and sharing with Abraham . . . though He already knew the outcome before the test.
Also, possibly God in Abraham was changing Abraham to become so obedient, even in the process of the test. So, God could not know, in the present that Abraham really put God first, until God in Abraham changed him to become so, right during the test. And only then could the LORD know, in the present tense
< only after God had matured Abraham to become so. But He knew ahead of time what would happen.
Maybe we could say the LORD knew, intellectually, even before Abraham obeyed Him. But . . . also . . . then He knew in personal sharing with Abraham. So, the knowing became relational and personal, once Abraham obeyed and knew that the LORD knew.
By the way, we have >
"for it is God who works in you both to will and to do for His good pleasure." (Philippians 2:13)
So, I understand that God was in Abraham working him to so obey. And then God said He knew Abraham put God first. God does have us being and living as individual persons, with personal communication with God, though it is God in and through it all