Fix tests.

pom.xml

@@ -59,7 +59,7 @@
         <powermock.version>2.0.9</powermock.version>
         <!-- More visible way how to change dependency versions -->
         <spigot.version>1.20.4-R0.1-SNAPSHOT</spigot.version>
-        <bentobox.version>2.4.0-SNAPSHOT</bentobox.version>
+        <bentobox.version>2.4.1-SNAPSHOT</bentobox.version>
         <level.version>2.6.2</level.version>
         <bank.version>1.3.0</bank.version>
         <!-- Revision variable removes warning about dynamic version -->

src/test/java/world/bentobox/aoneblock/AOneBlockTest.java

@@ -130,6 +130,7 @@ private void deleteAll(File file) throws IOException {
 	 */
 	@Before
 	public void setUp() throws Exception {
+        PowerMockito.mockStatic(Bukkit.class, Mockito.RETURNS_MOCKS);
 		// Set up plugin
 		Whitebox.setInternalState(BentoBox.class, "instance", plugin);
 		when(plugin.getLogger()).thenReturn(Logger.getAnonymousLogger());
@@ -171,7 +172,6 @@ public void setUp() throws Exception {
 				.thenAnswer((Answer<String>) invocation -> invocation.getArgument(0, String.class));
 
 		// Server
-		PowerMockito.mockStatic(Bukkit.class);
 		Server server = mock(Server.class);
 		when(Bukkit.getServer()).thenReturn(server);
 		when(Bukkit.getLogger()).thenReturn(Logger.getAnonymousLogger());

src/test/java/world/bentobox/aoneblock/commands/island/IslandSetCountCommandTest.java

@@ -130,6 +130,7 @@ private void deleteAll(File file) throws IOException {
 	 */
 	@Before
 	public void setUp() throws Exception {
+        PowerMockito.mockStatic(Bukkit.class, Mockito.RETURNS_MOCKS);
 		// Set up plugin
 		BentoBox plugin = mock(BentoBox.class);
 		Whitebox.setInternalState(BentoBox.class, "instance", plugin);

src/test/java/world/bentobox/aoneblock/listeners/InfoListenerTest.java

@@ -9,6 +9,7 @@
 
 import java.util.UUID;
 
+import org.bukkit.Bukkit;
 import org.bukkit.Location;
 import org.bukkit.World;
 import org.bukkit.entity.Player;
@@ -19,6 +20,8 @@
 import org.junit.runner.RunWith;
 import org.mockito.Mock;
 import org.mockito.Mockito;
+import org.powermock.api.mockito.PowerMockito;
+import org.powermock.core.classloader.annotations.PrepareForTest;
 import org.powermock.modules.junit4.PowerMockRunner;
 
 import world.bentobox.aoneblock.AOneBlock;
@@ -31,12 +34,14 @@
 import world.bentobox.bentobox.managers.IslandsManager;
 import world.bentobox.bentobox.managers.LocalesManager;
 import world.bentobox.bentobox.managers.PlaceholdersManager;
+import world.bentobox.bentobox.util.Util;
 
 /**
  * @author tastybento
  *
  */
 @RunWith(PowerMockRunner.class)
+@PrepareForTest({ Bukkit.class, Util.class })
 public class InfoListenerTest {
     @Mock
     private BentoBox plugin;
@@ -72,6 +77,7 @@ public class InfoListenerTest {
      */
     @Before
     public void setUp() throws Exception {
+        PowerMockito.mockStatic(Bukkit.class, Mockito.RETURNS_MOCKS);
         when(addon.getPlugin()).thenReturn(plugin);
         when(plugin.getLocalesManager()).thenReturn(lm);
         when(lm.get(toString())).thenAnswer(invocation -> invocation.getArgument(0, String.class));