ExampleTokenTest1.js

contract('ExampleToken', accounts => {

	beforeEach(async function() {
		this.owner = accounts[0]
		this.token = await ExampleToken.new()
	})

	it('all values should be set on constructor call', async function() {
		const totalSupply = await this.token.totalSupply();
		assert.equal(1000, totalSupply.valueOf(), "correct total supply should be set")
		const balance = await this.token.balanceOf.call(this.owner)
		assert.equal(1000, balance.valueOf(), "balance should be equal to total supply")
	})
})