move tests related files to their own folder

lib/index.js

@@ -185,7 +185,7 @@ class Embark {
   }
 
   initTests(options) {
-    let Test = require('./core/test.js');
+    let Test = require('./tests/test.js');
     return new Test(options);
   }
 
@@ -221,7 +221,7 @@ class Embark {
   }
 
   runTests(file) {
-    let RunTests = require('./core/run_tests.js');
+    let RunTests = require('./tests/run_tests.js');
     RunTests.run(file);
   }
 
@@ -229,7 +229,7 @@ class Embark {
 
 // temporary until next refactor
 Embark.initTests = function(options) {
-  let Test = require('./core/test.js');
+  let Test = require('./tests/test.js');
   return new Test(options);
 };
 

lib/tests/test.js

@@ -1,10 +1,8 @@
 var async = require('async');
 //require("../utils/debug_util.js")(__filename, async);
 var Web3 = require('web3');
-
-var Engine = require('./engine.js');
-
-var RunCode = require('./runCode.js');
+var Engine = require('../core/engine.js');
+var RunCode = require('../core/runCode.js');
 var TestLogger = require('./test_logger.js');
 
 var getSimulator = function() {

test/compiler.js

@@ -1,7 +1,7 @@
 /*globals describe, it*/
 let Compiler = require('../lib/contracts/compiler.js');
 let SolidityCompiler = require('../lib/modules/solidity');
-let TestLogger = require('../lib/core/test_logger.js');
+let TestLogger = require('../lib/tests/test_logger.js');
 let File = require('../lib/core/file.js');
 let assert = require('assert');
 let fs = require('fs');

test/contracts.js

@@ -2,7 +2,7 @@
 let ContractsManager = require('../lib/contracts/contracts.js');
 let Logger = require('../lib/core/logger.js');
 let File = require('../lib/core/file.js');
-let TestLogger = require('../lib/core/test_logger.js');
+let TestLogger = require('../lib/tests/test_logger.js');
 let assert = require('assert');
 let fs = require('fs');