change pom to spigot 1.13

src/test/java/me/oskar3123/staffchat/TestPlayer.java

@@ -7,6 +7,7 @@ import org.bukkit.attribute.Attribute;
 import org.bukkit.attribute.AttributeInstance;
 import org.bukkit.block.Block;
 import org.bukkit.block.PistonMoveReaction;
+import org.bukkit.block.data.BlockData;
 import org.bukkit.conversations.Conversation;
 import org.bukkit.conversations.ConversationAbandonedEvent;
 import org.bukkit.entity.*;
@@ -54,6 +55,36 @@ public class TestPlayer implements Player
 
     }
 
+    @Override
+    public String getPlayerListHeader()
+    {
+        return null;
+    }
+
+    @Override
+    public String getPlayerListFooter()
+    {
+        return null;
+    }
+
+    @Override
+    public void setPlayerListHeader(String s)
+    {
+
+    }
+
+    @Override
+    public void setPlayerListFooter(String s)
+    {
+
+    }
+
+    @Override
+    public void setPlayerListHeaderFooter(String s, String s1)
+    {
+
+    }
+
     @Override
     public void setCompassTarget(Location location)
     {
@@ -253,15 +284,15 @@ public class TestPlayer implements Player
     }
 
     @Override
-    public boolean sendChunkChange(Location location, int i, int i1, int i2, byte[] bytes)
+    public void sendBlockChange(Location location, BlockData blockData)
     {
-        return false;
+
     }
 
     @Override
-    public void sendBlockChange(Location location, int i, byte b)
+    public boolean sendChunkChange(Location location, int i, int i1, int i2, byte[] bytes)
     {
-
+        return false;
     }
 
     @Override
@@ -1608,6 +1639,18 @@ public class TestPlayer implements Player
 
     }
 
+    @Override
+    public boolean isSwimming()
+    {
+        return false;
+    }
+
+    @Override
+    public void setSwimming(boolean b)
+    {
+
+    }
+
     @Override
     public void setAI(boolean b)
     {

src/test/java/me/oskar3123/staffchat/TestProxiedPlayer.java

@@ -1,9 +1,6 @@
 package me.oskar3123.staffchat;
 
-import net.md_5.bungee.api.Callback;
-import net.md_5.bungee.api.ChatMessageType;
-import net.md_5.bungee.api.SkinConfiguration;
-import net.md_5.bungee.api.Title;
+import net.md_5.bungee.api.*;
 import net.md_5.bungee.api.chat.BaseComponent;
 import net.md_5.bungee.api.config.ServerInfo;
 import net.md_5.bungee.api.connection.PendingConnection;
@@ -69,6 +66,12 @@ public class TestProxiedPlayer implements ProxiedPlayer
 
     }
 
+    @Override
+    public void connect(ServerConnectRequest serverConnectRequest)
+    {
+
+    }
+
     @Override
     public Server getServer()
     {