Ignore FROSTED_ICE in meta unit tests.

By: md_5 <git@md-5.net>

paper-server/src/test/java/org/bukkit/support/AbstractTestingBase.java

@@ -69,7 +69,8 @@ public abstract class AbstractTestingBase {
                     Material.BEETROOT_BLOCK,
                     Material.END_GATEWAY,
                     Material.STRUCTURE_BLOCK,
-                    Material.BURNING_FURNACE
+                    Material.BURNING_FURNACE,
+                    Material.FROSTED_ICE
             ).build();
 
     @BeforeClass