update tests dependencies and stabilize tests

src/test/javascript/package.json

@@ -3,14 +3,14 @@
     "test": "mocha --timeout 20000"
   },
   "devDependencies": {
-    "chai": "4.1.1",
-    "mocha": "3.5.0",
+    "chai": "4.1.2",
+    "mocha": "4.0.1",
     "promise": "8.0.1",
     "sleep": "5.1.1", 
     "promise-timeout": "1.1.1",
-    "request": "2.81.0",
-    "request-promise": "4.2.1",
-    "ws": "3.1.0"
+    "request": "2.83.0",
+    "request-promise": "4.2.2",
+    "ws": "3.3.2"
   },
   "dependencies": {
     "assert": "1.4.1"

src/test/javascript/test/SyncNoWebsocket.js

@@ -71,7 +71,7 @@ describe('Sync Integration Test - no websocket', function () {
 			});
 			let form = req.form();
 			form.append('file', fs.createReadStream(zipFilePath));
-		}).then(function () {
+		}).delay(10).then(function () {
 			// putting file that already exists should fail
 			return new Promise(function (resolve) {
 				let req = request.put(pathPrefix + modulePath + '/java/test.java', COMMON_OPTIONS, function (err, res) {

src/test/javascript/test/util/Util.js

@@ -2,13 +2,13 @@ const fs = require('fs');
 
 module.exports = {
 
-		deleteFolderRecursive:  function (path) {
-			var that = this;
+	deleteFolderRecursive: function (path) {
+		let that = this;
 		if (fs.existsSync(path)) {
-	    	    fs.readdirSync(path).forEach(function(file,index){
-	    	      var curPath = path + "/" + file;
+			fs.readdirSync(path).forEach(function (file, index) {
+				let curPath = path + "/" + file;
 				if (fs.lstatSync(curPath).isDirectory()) { // recurse
-	    	        that.deleteFolderRecursive(curPath);
+					that.deleteFolderRecursive(curPath);
 				} else { // delete file
 					fs.unlinkSync(curPath);
 				}
@@ -17,4 +17,4 @@ module.exports = {
 		}
 	}
 
-}
+};