Add missing unit tests for commands

src/main/java/fr/xephi/authme/command/executable/authme/ConverterCommand.java

@@ -1,5 +1,6 @@
 package fr.xephi.authme.command.executable.authme;
 
+import com.google.common.annotations.VisibleForTesting;
 import fr.xephi.authme.command.CommandService;
 import fr.xephi.authme.command.ExecutableCommand;
 import fr.xephi.authme.converter.Converter;
@@ -58,7 +59,8 @@ public class ConverterCommand implements ExecutableCommand {
         sender.sendMessage("[AuthMe] Successfully converted from " + jobType.getName());
     }
 
-    private enum ConvertType {
+    @VisibleForTesting
+    enum ConvertType {
         XAUTH("xauth", xAuthConverter.class),
         CRAZYLOGIN("crazylogin", CrazyLoginConverter.class),
         RAKAMAK("rakamak", RakamakConverter.class),

src/main/java/fr/xephi/authme/command/executable/unregister/UnregisterCommand.java

@@ -18,13 +18,16 @@ public class UnregisterCommand extends PlayerCommand {
     @Inject
     private CommandService commandService;
 
+    @Inject
+    private PlayerCache playerCache;
+
     @Override
     public void runCommand(Player player, List<String> arguments) {
         String playerPass = arguments.get(0);
         final String playerNameLowerCase = player.getName().toLowerCase();
 
         // Make sure the player is authenticated
-        if (!PlayerCache.getInstance().isAuthenticated(playerNameLowerCase)) {
+        if (!playerCache.isAuthenticated(playerNameLowerCase)) {
             commandService.send(player, MessageKey.NOT_LOGGED_IN);
             return;
         }