convert API/server tests to mockito (#8848)

* convert API tests to mockito

* convert server tests to mockito

* add co-author

patches/server/0391-Expose-game-version.patch

@@ -1,24 +0,0 @@
-From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
-From: Mark Vainomaa <mikroskeem@mikroskeem.eu>
-Date: Fri, 1 May 2020 17:39:26 +0300
-Subject: [PATCH] Expose game version
-
-
-diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
-index 3ba07a7ba5300ac2b087c563355b4795ae33e27e..760f42c620033aef43e4a7765dd7ba0b743a6ad4 100644
---- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
-+++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
-@@ -592,6 +592,13 @@ public final class CraftServer implements Server {
-         return this.bukkitVersion;
-     }
- 
-+    // Paper start - expose game version
-+    @Override
-+    public String getMinecraftVersion() {
-+        return console.getServerVersion();
-+    }
-+    // Paper end
-+
-     @Override
-     public List<CraftPlayer> getOnlinePlayers() {
-         return this.playerView;