Organize test files following contracts folders structure

test/token/PausableToken.test.js

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+'user strict';
+
+import assertRevert from '../helpers/assertRevert';
+var PausableTokenMock = artifacts.require('./mocks/PausableTokenMock.sol');
+
+contract('PausableToken', function (accounts) {
+  let token;
+
+  beforeEach(async function () {
+    token = await PausableTokenMock.new(accounts[0], 100);
+  });
+
+  it('should return paused false after construction', async function () {
+    let paused = await token.paused();
+
+    assert.equal(paused, false);
+  });
+
+  it('should return paused true after pause', async function () {
+    await token.pause();
+    let paused = await token.paused();
+
+    assert.equal(paused, true);
+  });
+
+  it('should return paused false after pause and unpause', async function () {
+    await token.pause();
+    await token.unpause();
+    let paused = await token.paused();
+
+    assert.equal(paused, false);
+  });
+
+  it('should be able to transfer if transfers are unpaused', async function () {
+    await token.transfer(accounts[1], 100);
+    let balance0 = await token.balanceOf(accounts[0]);
+    assert.equal(balance0, 0);
+
+    let balance1 = await token.balanceOf(accounts[1]);
+    assert.equal(balance1, 100);
+  });
+
+  it('should be able to transfer after transfers are paused and unpaused', async function () {
+    await token.pause();
+    await token.unpause();
+    await token.transfer(accounts[1], 100);
+    let balance0 = await token.balanceOf(accounts[0]);
+    assert.equal(balance0, 0);
+
+    let balance1 = await token.balanceOf(accounts[1]);
+    assert.equal(balance1, 100);
+  });
+
+  it('should throw an error trying to transfer while transactions are paused', async function () {
+    await token.pause();
+    await assertRevert(token.transfer(accounts[1], 100));
+  });
+
+  it('should throw an error trying to transfer from another account while transactions are paused', async function () {
+    await token.pause();
+    await assertRevert(token.transferFrom(accounts[0], accounts[1], 100));
+  });
+});