content: def test_testing_mine_single_block(w3):
      w3.testing.mine()
  
      before_mining_block = w3.eth.get_block("latest")
  
      w3.testing.mine()
  
      after_mining_block = w3.eth.get_block("latest")
  
      assert after_mining_block["number"] - before_mining_block["number"] == 1
  
  
  def test_testing_mine_multiple_blocks(w3):
      w3.testing.mine()
  
      before_mining_block = w3.eth.get_block("latest")
  
      w3.testing.mine(5)
  
      after_mining_block = w3.eth.get_block("latest")
  
      assert after_mining_block["number"] - before_mining_block["number"] == 5
  