Test 1: Testing simple insert
Preorder = hoppy(1), gadget(1), 
Inorder = gadget(1), hoppy(1), 
Postorder = gadget(1), hoppy(1), 
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Test 2: Search testing
Passed
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Test 3: Smallest value in the tree is...
gadget
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Test 4: Largest value in the tree is...
hoppy
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Test 5: Testing subtree heights
Height of subtree rooted at "hoppy" = 1
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Test 6: Remove testing
Removing "hoppy"
Preorder = gadget(1), 
Inorder = gadget(1), 
Postorder = gadget(1), 
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