Teleportation needs to be scheduled in sync

- Revert removal of sync scheduled task for teleportation
- Add back listener properties from 5d6f3e1 since they don't interfere

src/main/java/fr/xephi/authme/listener/PlayerListener.java

@@ -193,7 +193,7 @@ public class PlayerListener implements Listener {
         }
     }
 
-    @EventHandler(priority = EventPriority.LOW)
+    @EventHandler(priority = EventPriority.NORMAL)
     public void onPlayerJoin(PlayerJoinEvent event) {
         final Player player = event.getPlayer();
         teleportationService.teleportNewPlayerToFirstSpawn(player);
@@ -206,7 +206,7 @@ public class PlayerListener implements Listener {
     // event caused by "logged in from another location". The nicer way, but only for Spigot, would be
     // to check in the AsyncPlayerPreLoginEvent. To support all servers, we use the less nice way.
 
-    @EventHandler(priority = EventPriority.HIGHEST)
+    @EventHandler(priority = EventPriority.LOW)
     public void onPlayerLogin(PlayerLoginEvent event) {
         final Player player = event.getPlayer();
         final String name = player.getName();

src/main/java/fr/xephi/authme/util/TeleportationService.java

@@ -158,10 +158,15 @@ public class TeleportationService implements Reloadable {
      * @param event  the event to emit and according to which to teleport
      */
     private void performTeleportation(final Player player, final AbstractTeleportEvent event) {
-        bukkitService.callEvent(event);
-        if (player.isOnline() && isEventValid(event)) {
-            player.teleport(event.getTo());
-        }
+        bukkitService.scheduleSyncDelayedTask(new Runnable() {
+            @Override
+            public void run() {
+                bukkitService.callEvent(event);
+                if (player.isOnline() && isEventValid(event)) {
+                    player.teleport(event.getTo());
+                }
+            }
+        });
     }
 
     private static boolean isEventValid(AbstractTeleportEvent event) {

src/test/java/fr/xephi/authme/util/TeleportationServiceTest.java

@@ -23,6 +23,7 @@ import org.mockito.stubbing.Answer;
 
 import java.util.Arrays;
 
+import static fr.xephi.authme.TestHelper.runSyncDelayedTask;
 import static org.hamcrest.Matchers.equalTo;
 import static org.junit.Assert.assertThat;
 import static org.mockito.BDDMockito.given;
@@ -93,6 +94,7 @@ public class TeleportationServiceTest {
 
         // when
         teleportationService.teleportNewPlayerToFirstSpawn(player);
+        runSyncDelayedTask(bukkitService);
 
         // then
         verify(player).teleport(firstSpawn);
@@ -112,6 +114,7 @@ public class TeleportationServiceTest {
 
         // when
         teleportationService.teleportOnJoin(player);
+        runSyncDelayedTask(bukkitService);
 
         // then
         verify(player).teleport(spawn);
@@ -190,6 +193,7 @@ public class TeleportationServiceTest {
 
         // when
         teleportationService.teleportOnJoin(player);
+        runSyncDelayedTask(bukkitService);
 
         // then
         verify(bukkitService).callEvent(any(SpawnTeleportEvent.class));
@@ -215,6 +219,7 @@ public class TeleportationServiceTest {
 
         // when
         teleportationService.teleportOnJoin(player);
+        runSyncDelayedTask(bukkitService);
 
         // then
         verify(bukkitService).callEvent(any(SpawnTeleportEvent.class));
@@ -255,6 +260,7 @@ public class TeleportationServiceTest {
 
         // when
         teleportationService.teleportOnLogin(player, auth, limbo);
+        runSyncDelayedTask(bukkitService);
 
         // then
         verify(player).teleport(spawn);
@@ -304,6 +310,7 @@ public class TeleportationServiceTest {
 
         // when
         teleportationService.teleportOnLogin(player, auth, limbo);
+        runSyncDelayedTask(bukkitService);
 
         // then
         ArgumentCaptor<Location> locationCaptor = ArgumentCaptor.forClass(Location.class);
@@ -332,6 +339,7 @@ public class TeleportationServiceTest {
 
         // when
         teleportationService.teleportOnLogin(player, auth, limbo);
+        runSyncDelayedTask(bukkitService);
 
         // then
         ArgumentCaptor<Location> locationCaptor = ArgumentCaptor.forClass(Location.class);
@@ -359,6 +367,7 @@ public class TeleportationServiceTest {
 
         // when
         teleportationService.teleportOnLogin(player, auth, limbo);
+        runSyncDelayedTask(bukkitService);
 
         // then
         verify(player).teleport(location);
@@ -383,6 +392,7 @@ public class TeleportationServiceTest {
 
         // when
         teleportationService.teleportOnLogin(player, auth, limbo);
+        runSyncDelayedTask(bukkitService);
 
         // then
         verify(player).teleport(location);