Was spiritual growth through obedience the reason behind God establishing the tree of knowledge of good and evil in the garden?

In Genesis 2:16–17, God commands Adam not to eat from the Tree of the Knowledge of Good and Evil: >"And the LORD God commanded the man, saying, 'You may surely eat of every tree of the garden, but of the tree of the knowledge of good and evil you shall not eat, for in the day that you eat of it you shall surely die.'" (ESV) This tree seems to serve no immediate nutritional or practical purpose for Adam and Eve, yet it is placed prominently in the garden. Given this, I’m wondering whether God’s primary purpose for establishing the tree was to present a moral choice — a test of obedience — that would foster spiritual maturity, trust, and relational depth with Him. Was the tree intended as a tool to develop spiritual growth through obedience?