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I have created a contract which has a function like this:

function transfer(address _to, uint256 _value, bytes _data) internal returns (bool) {
    balances[msg.sender] = balances[msg.sender].sub(_value);
    balances[_to] = balances[_to].add(_value);
    emit Transfer(msg.sender, _to, _value, _data);
    return true;
}

but now when I want to test contract in web3 1.0.0 using following code:

var balance = await baxToken.methods.balanceOf(user1).call({from:owner, gas:gasEstimate})
console.log(balance)

await baxToken.methods.transfer(user1, 50000).send({from:owner, gas:gasEstimate}).on('event', console.log)

var balance = await baxToken.methods.balanceOf(user1).call({from:owner, gas:gasEstimate})
console.log('balance')

while the first 2 lines of code works however the code stops then. I realized that if I comment the emit Transfer(...) from my contract it works fine.

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