test.js

const DummyMaster = artifacts.require('DummyMaster')
const Dummy = artifacts.require('Dummy')
const DummyInterface = artifacts.require('DummyInterface')

contract('Test Proxies', async () => {
  let dummyMaster, dummy
  before(async () => {
    dummyMaster = await DummyMaster.new()
  })

  it("Deploys a proxy", async () => {
    dummy = await Dummy.new(dummyMaster.address)
    dummy = await DummyInterface.at(dummy.address)
    await dummy.increment()
    assert.equal((await dummy.get()).toString(10), '1')
  })

  it("Deploys another proxy", async () => {
    dummy = await Dummy.new(dummyMaster.address)
    dummy = await DummyInterface.at(dummy.address)
    await dummy.increment()
    assert.equal((await dummy.get()).toString(10), '1')
  })

  it("Deploys a third proxy", async () => {
    dummy = await Dummy.new(dummyMaster.address)
    dummy = await DummyInterface.at(dummy.address)
    await dummy.increment()
    assert.equal((await dummy.get()).toString(10), '1')
  })
})