adding js test to generate v2 example pastes to be used in the development of the server side logic, adding one of these into the helper class of the php tests

js/privatebin.js

@@ -3736,6 +3736,17 @@ jQuery.PrivateBin = (function($, RawDeflate) {
             });
         };
 
+        /**
+         * return currently set data, used in unit testing
+         *
+         * @name   ServerInteraction.getData
+         * @function
+         */
+        me.getData = function()
+        {
+            return data;
+        };
+
         /**
          * set success function
          *

js/test/ServerInteraction.js

@@ -0,0 +1,40 @@
+'use strict';
+require('../common');
+
+describe('ServerInteraction', function () {
+    describe('prepare', function () {
+        afterEach(async function () {
+            // pause to let async functions conclude
+            await new Promise(resolve => setTimeout(resolve, 1900));
+        });
+        this.timeout(30000);
+        it('can prepare an encrypted paste', function () {
+            jsc.check(jsc.forall(
+                'string',
+                'string',
+                'string',
+                async function (key, password, message) {
+                    // pause to let async functions conclude
+                    await new Promise(resolve => setTimeout(resolve, 300));
+                    let clean = jsdom();
+                    window.crypto = new WebCrypto();
+                    message = message.trim();
+
+                    $.PrivateBin.ServerInteraction.prepare();
+                    $.PrivateBin.ServerInteraction.setCryptParameters(password, key);
+                    $.PrivateBin.ServerInteraction.setUnencryptedData('adata', [
+                        // encryption parameters defined by CryptTool, format, discussion, burn after reading
+                        null, 'plaintext', 0, 0
+                    ]);
+                    $.PrivateBin.ServerInteraction.setUnencryptedData('meta', {'expire': '5min'});
+                    await $.PrivateBin.ServerInteraction.setCipherMessage({'paste': message});
+                    //console.log($.PrivateBin.ServerInteraction.getData());
+                    clean();
+                    // TODO currently not testing anything and just used to generate v2 pastes for starting development of server side v2 implementation
+                    return true;
+                }
+            ),
+            {tests: 3});
+        });
+    });
+});