add backwards compatbility for tests with a deprecation message

lib/index.js

@@ -198,5 +198,17 @@ var Embark = function () {
 
 };
 
+Embark.initTests = function() {
+  console.error("=============================".green);
+  console.error("deprecated: Starting with Embark 2.5.0 the Embark object needs to be initialized".red);
+  console.log("replace:");
+  console.log("var Embark = require('embark');");
+  console.log("with:");
+  console.log("var Embark = require('embark')();");
+  console.error("=============================".green);
+  var embark = Embark();
+  return embark.initTests();
+};
+
 module.exports = Embark;
 

test_app/test/another_storage_spec.js

@@ -1,10 +1,11 @@
 var assert = require('assert');
-var Embark = require('embark');
+var Embark = require('embark')();
 var EmbarkSpec = Embark.initTests();
 var web3 = EmbarkSpec.web3;
 
 describe("AnotherStorage", function() {
   before(function(done) {
+    this.timeout(0);
     var contractsConfig = {
       "SimpleStorage": {
         args: [100]

test_app/test/simple_storage_spec.js

@@ -1,10 +1,11 @@
 var assert = require('assert');
-var Embark = require('embark');
+var Embark = require('embark')();
 var EmbarkSpec = Embark.initTests();
 var web3 = EmbarkSpec.web3;
 
 describe("SimpleStorage", function() {
   before(function(done) {
+    this.timeout(0);
     var contractsConfig = {
       "SimpleStorage": {
         args: [100]

test_app/test/token_spec.js

@@ -1,10 +1,11 @@
 var assert = require('assert');
-var Embark = require('embark');
+var Embark = require('embark')();
 var EmbarkSpec = Embark.initTests();
 var web3 = EmbarkSpec.web3;
 
 describe("Token", function() {
   before(function(done) {
+    this.timeout(0);
     var contractsConfig = {
       "SimpleStorage": {
         args: [100]