fix appropriate_player tests

lib/ai/minimax.rb

@@ -25,14 +25,13 @@ def optimum_choice(spaces = @spaces, depth = @depth, choices = {})
 
     @board.available_spaces.each { |space| choices = space }
     choices
-
   end
 
   def available_spaces
     @board.available_spaces
   end
 
   def appropriate_player
-    @depth.odd? ? @const.players[1] : @const.players[0]
+    @depth.odd? ? @const.players[0] : @const.players[1]
   end
 end

spec/ai/minimax_spec.rb

@@ -79,16 +79,14 @@
   context 'when depth is at the root level' do
     Given(:const) { GameConstants.new }
     Given(:minimax) { Minimax.new(Board.new) }
-    When { minimax.depth += 1 }
-    Then { const.players[1] = minimax.appropriate_player }
+    Then { const.players[1] == minimax.appropriate_player }
   end
 
-  context 'when recurstion_depth is an even number' do
+  context 'when depth is an odd number' do
     Given(:const) { GameConstants.new }
     Given(:minimax) { Minimax.new(Board.new) }
-    When { minimax.depth += 1 
-           minimax.depth += 1 }
-    Then { const.players[0] = minimax.appropriate_player }
+    When { minimax.depth += 1 }
+    Then { const.players[0] == minimax.appropriate_player }
   end
 end