Crypto-BEP20-Stakeable-Stakeable.js withdrawal test.js

    it("withdraw 50 from a stake", async() => {
        devToken = await DevToken.deployed();

        let owner = accounts[0];
        let withdraw_amount = 50;
        // Try withdrawing 50 from first stake
        await devToken.withdrawStake(withdraw_amount, 0, {from:owner});
        // Grab a new summary to see if the total amount has changed
        let summary = await devToken.hasStake(owner);

        assert.equal(summary.total_amount, 200-withdraw_amount, "The total staking amount should be 150");
        // Itterate all stakes and verify their amount aswell. 
        let stake_amount = summary.stakes[0].amount;

        assert.equal(stake_amount, 100-withdraw_amount, "Wrong Amount in first stake after withdrawal");
    });