Merge branch 'master' of github.com:thecodingmachine/workadventure into event_group

diff --cc back/tests/WorldTest.ts
index b0b1a8c62d9e6474e332a08c3c7a51b7cdc8cd89,26bf02283b6a1933ba1b93255b59c3246eaf5e2e..d14aaeb093a8654620bfc1106ade1b6d840f1164
--- 1/back/tests/WorldTest.ts
--- 2/back/tests/WorldTest.ts
+++ b/back/tests/WorldTest.ts
@@@ -104,10 -105,10 +104,10 @@@ describe("World", () => 
              connectCalled = true;
          }
          let disconnect = (user: string, group: Group): void => {
 -            disconnectCalled = true;
 +            disconnectCallNumber++;
          }
  
-         let world = new World(connect, disconnect);
+         let world = new World(connect, disconnect, 160, 160);
  
          world.join(new MessageUserPosition({
              userId: "foo",