Fix error in test class.

Note this does not fix the failing assertion.

src/test/java/world/bentobox/challenges/commands/ChallengesCommandTest.java

@@ -37,6 +37,7 @@ import org.powermock.reflect.Whitebox;
 import world.bentobox.bentobox.BentoBox;
 import world.bentobox.bentobox.api.addons.GameModeAddon;
 import world.bentobox.bentobox.api.commands.CompositeCommand;
+import world.bentobox.bentobox.api.configuration.WorldSettings;
 import world.bentobox.bentobox.api.localization.TextVariables;
 import world.bentobox.bentobox.api.user.User;
 import world.bentobox.bentobox.database.objects.Island;
@@ -107,6 +108,10 @@ public class ChallengesCommandTest {
         Optional<GameModeAddon> optionalAddon = Optional.of(gameModeAddon);
         when(iwm.getAddon(any())).thenReturn(optionalAddon);
         when(plugin.getIWM()).thenReturn(iwm);
+        
+        @NonNull
+        WorldSettings ws = new TestWorldSetting();
+        when(iwm.getWorldSettings(any())).thenReturn(ws);
 
         // Game Mode Addon
         @NonNull

src/test/java/world/bentobox/challenges/commands/TestWorldSetting.java

@@ -0,0 +1,404 @@
+package world.bentobox.challenges.commands;
+
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
+import org.bukkit.Difficulty;
+import org.bukkit.GameMode;
+import org.bukkit.entity.EntityType;
+import org.eclipse.jdt.annotation.NonNull;
+
+import world.bentobox.bentobox.api.configuration.WorldSettings;
+import world.bentobox.bentobox.api.flags.Flag;
+
+public class TestWorldSetting implements WorldSettings {
+
+    private Map<String, Boolean> flags = new HashMap<>();
+
+    @Override
+    public GameMode getDefaultGameMode() {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+    @Override
+    public Map<Flag, Integer> getDefaultIslandFlags() {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+    @Override
+    public Map<Flag, Integer> getDefaultIslandSettings() {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+    @Override
+    public Difficulty getDifficulty() {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+    @Override
+    public void setDifficulty(Difficulty difficulty) {
+        // TODO Auto-generated method stub
+
+    }
+
+    @Override
+    public String getFriendlyName() {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+    @Override
+    public int getIslandDistance() {
+        // TODO Auto-generated method stub
+        return 0;
+    }
+
+    @Override
+    public int getIslandHeight() {
+        // TODO Auto-generated method stub
+        return 0;
+    }
+
+    @Override
+    public int getIslandProtectionRange() {
+        // TODO Auto-generated method stub
+        return 0;
+    }
+
+    @Override
+    public int getIslandStartX() {
+        // TODO Auto-generated method stub
+        return 0;
+    }
+
+    @Override
+    public int getIslandStartZ() {
+        // TODO Auto-generated method stub
+        return 0;
+    }
+
+    @Override
+    public int getIslandXOffset() {
+        // TODO Auto-generated method stub
+        return 0;
+    }
+
+    @Override
+    public int getIslandZOffset() {
+        // TODO Auto-generated method stub
+        return 0;
+    }
+
+    @Override
+    public List<String> getIvSettings() {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+    @Override
+    public int getMaxHomes() {
+        // TODO Auto-generated method stub
+        return 0;
+    }
+
+    @Override
+    public int getMaxIslands() {
+        // TODO Auto-generated method stub
+        return 0;
+    }
+
+    @Override
+    public int getMaxTeamSize() {
+        // TODO Auto-generated method stub
+        return 0;
+    }
+
+    @Override
+    public int getNetherSpawnRadius() {
+        // TODO Auto-generated method stub
+        return 0;
+    }
+
+    @Override
+    public String getPermissionPrefix() {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+    @Override
+    public Set<EntityType> getRemoveMobsWhitelist() {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+    @Override
+    public int getSeaHeight() {
+        // TODO Auto-generated method stub
+        return 0;
+    }
+
+    @Override
+    public List<String> getHiddenFlags() {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+    @Override
+    public List<String> getVisitorBannedCommands() {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+    @Override
+    public Map<String, Boolean> getWorldFlags() {
+        // TODO Auto-generated method stub
+        return flags ;
+    }
+
+    @Override
+    public String getWorldName() {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+    @Override
+    public boolean isDragonSpawn() {
+        // TODO Auto-generated method stub
+        return false;
+    }
+
+    @Override
+    public boolean isEndGenerate() {
+        // TODO Auto-generated method stub
+        return false;
+    }
+
+    @Override
+    public boolean isEndIslands() {
+        // TODO Auto-generated method stub
+        return false;
+    }
+
+    @Override
+    public boolean isNetherGenerate() {
+        // TODO Auto-generated method stub
+        return false;
+    }
+
+    @Override
+    public boolean isNetherIslands() {
+        // TODO Auto-generated method stub
+        return false;
+    }
+
+    @Override
+    public boolean isOnJoinResetEnderChest() {
+        // TODO Auto-generated method stub
+        return false;
+    }
+
+    @Override
+    public boolean isOnJoinResetInventory() {
+        // TODO Auto-generated method stub
+        return false;
+    }
+
+    @Override
+    public boolean isOnJoinResetMoney() {
+        // TODO Auto-generated method stub
+        return false;
+    }
+
+    @Override
+    public boolean isOnJoinResetHealth() {
+        // TODO Auto-generated method stub
+        return false;
+    }
+
+    @Override
+    public boolean isOnJoinResetHunger() {
+        // TODO Auto-generated method stub
+        return false;
+    }
+
+    @Override
+    public boolean isOnJoinResetXP() {
+        // TODO Auto-generated method stub
+        return false;
+    }
+
+    @Override
+    public @NonNull List<String> getOnJoinCommands() {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+    @Override
+    public boolean isOnLeaveResetEnderChest() {
+        // TODO Auto-generated method stub
+        return false;
+    }
+
+    @Override
+    public boolean isOnLeaveResetInventory() {
+        // TODO Auto-generated method stub
+        return false;
+    }
+
+    @Override
+    public boolean isOnLeaveResetMoney() {
+        // TODO Auto-generated method stub
+        return false;
+    }
+
+    @Override
+    public boolean isOnLeaveResetHealth() {
+        // TODO Auto-generated method stub
+        return false;
+    }
+
+    @Override
+    public boolean isOnLeaveResetHunger() {
+        // TODO Auto-generated method stub
+        return false;
+    }
+
+    @Override
+    public boolean isOnLeaveResetXP() {
+        // TODO Auto-generated method stub
+        return false;
+    }
+
+    @Override
+    public @NonNull List<String> getOnLeaveCommands() {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+    @Override
+    public boolean isUseOwnGenerator() {
+        // TODO Auto-generated method stub
+        return false;
+    }
+
+    @Override
+    public boolean isWaterUnsafe() {
+        // TODO Auto-generated method stub
+        return false;
+    }
+
+    @Override
+    public List<String> getGeoLimitSettings() {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+    @Override
+    public int getResetLimit() {
+        // TODO Auto-generated method stub
+        return 0;
+    }
+
+    @Override
+    public long getResetEpoch() {
+        // TODO Auto-generated method stub
+        return 0;
+    }
+
+    @Override
+    public void setResetEpoch(long timestamp) {
+        // TODO Auto-generated method stub
+
+    }
+
+    @Override
+    public boolean isTeamJoinDeathReset() {
+        // TODO Auto-generated method stub
+        return false;
+    }
+
+    @Override
+    public int getDeathsMax() {
+        // TODO Auto-generated method stub
+        return 0;
+    }
+
+    @Override
+    public boolean isDeathsCounted() {
+        // TODO Auto-generated method stub
+        return false;
+    }
+
+    @Override
+    public boolean isDeathsResetOnNewIsland() {
+        // TODO Auto-generated method stub
+        return false;
+    }
+
+    @Override
+    public boolean isAllowSetHomeInNether() {
+        // TODO Auto-generated method stub
+        return false;
+    }
+
+    @Override
+    public boolean isAllowSetHomeInTheEnd() {
+        // TODO Auto-generated method stub
+        return false;
+    }
+
+    @Override
+    public boolean isRequireConfirmationToSetHomeInNether() {
+        // TODO Auto-generated method stub
+        return false;
+    }
+
+    @Override
+    public boolean isRequireConfirmationToSetHomeInTheEnd() {
+        // TODO Auto-generated method stub
+        return false;
+    }
+
+    @Override
+    public int getBanLimit() {
+        // TODO Auto-generated method stub
+        return 0;
+    }
+
+    @Override
+    public boolean isLeaversLoseReset() {
+        // TODO Auto-generated method stub
+        return false;
+    }
+
+    @Override
+    public boolean isKickedKeepInventory() {
+        // TODO Auto-generated method stub
+        return false;
+    }
+
+    @Override
+    public boolean isCreateIslandOnFirstLoginEnabled() {
+        // TODO Auto-generated method stub
+        return false;
+    }
+
+    @Override
+    public int getCreateIslandOnFirstLoginDelay() {
+        // TODO Auto-generated method stub
+        return 0;
+    }
+
+    @Override
+    public boolean isCreateIslandOnFirstLoginAbortOnLogout() {
+        // TODO Auto-generated method stub
+        return false;
+    }
+
+}