switch config to grunt vs declaring in test

Gruntfile.coffee

@@ -21,6 +21,8 @@ module.exports = (grunt) ->
     mochaTest:
       test:
         src: ['test/**/*.js']
+      options:
+        timeout: 0
     jshint:
       all: ['bin/embark', 'lib/**/*.js', 'js/mine.js', 'js/embark.js']
 

test/compiler.js

@@ -12,7 +12,6 @@ describe('embark.Compiler', function() {
   var compiler = new Compiler({logger: new TestLogger({})});
 
   describe('#compile_solidity', function() {
-    this.timeout(15000);
 
     var expectedObject = {};
 

test/contracts.js

@@ -9,7 +9,6 @@ var readFile = function(file) {
 };
 
 describe('embark.Contratcs', function() {
-  this.timeout(15000);
 
   describe('simple', function() {
     var contractsManager = new ContractsManager({