fix: made code cleaner. added helper. removed done from most tests.

test/BasicToken.js

@@ -1,31 +1,31 @@
+const assertJump = require('./helpers/assertJump');
+
 contract('BasicToken', function(accounts) {
 
-  it("should return the correct totalSupply after construction", async function(done) {
+  it("should return the correct totalSupply after construction", async function() {
     let token = await BasicTokenMock.new(accounts[0], 100);
     let totalSupply = await token.totalSupply();
+
     assert.equal(totalSupply, 100);
-    done();
   })
 
-  it("should return correct balances after transfer", async function(done){
+  it("should return correct balances after transfer", async function(){
     let token = await BasicTokenMock.new(accounts[0], 100);
     let transfer = await token.transfer(accounts[1], 100);
+
     let firstAccountBalance = await token.balanceOf(accounts[0]);
     assert.equal(firstAccountBalance, 0);
+
     let secondAccountBalance = await token.balanceOf(accounts[1]);
     assert.equal(secondAccountBalance, 100);
-    done();
   });
 
-  it("should throw an error when trying to transfer more than balance", async function(done) {
-
+  it("should throw an error when trying to transfer more than balance", async function() {
     let token = await BasicTokenMock.new(accounts[0], 100);
     try {
       let transfer = await token.transfer(accounts[1], 101);
     } catch(error) {
-      if (error.message.search('invalid JUMP') === -1) throw error
-      assert.isAbove(error.message.search('invalid JUMP'), -1, 'Invalid JUMP error must be returned');
-      done();
+      assertJump(error);
     }
   });