convert API/server tests to mockito (#8848)

* convert API tests to mockito

* convert server tests to mockito

* add co-author

patches/server/0944-Add-Sneaking-API-for-Entities.patch

@@ -1,29 +0,0 @@
-From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
-From: dawon <dawon@dawon.eu>
-Date: Wed, 19 Oct 2022 23:31:53 +0200
-Subject: [PATCH] Add Sneaking API for Entities
-
-
-diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
-index 6cd6cb256bde958416a0e4b13fc1d3df74f230fd..78f53ee557276de85f0431ebcb146445b1f4fb92 100644
---- a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
-+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
-@@ -1160,6 +1160,18 @@ public abstract class CraftEntity implements org.bukkit.entity.Entity {
-         return Pose.values()[this.getHandle().getPose().ordinal()];
-     }
- 
-+    // Paper start
-+    @Override
-+    public void setSneaking(boolean sneak) {
-+        this.getHandle().setShiftKeyDown(sneak);
-+    }
-+
-+    @Override
-+    public boolean isSneaking() {
-+        return this.getHandle().isShiftKeyDown();
-+    }
-+    // Paper end
-+
-     @Override
-     public SpawnCategory getSpawnCategory() {
-         return CraftSpawnCategory.toBukkit(this.getHandle().getType().getCategory());