Add 'engine/' from commit 'a8e37fc010'

git-subtree-dir: engine
git-subtree-mainline: b74841629e
git-subtree-split: a8e37fc010

engine/modules/gdscript/tests/scripts/analyzer/features/subscript_self.gd

@@ -0,0 +1,8 @@
+# https://github.com/godotengine/godot/issues/43221
+extends Node
+
+func test():
+	name = "Node"
+	print(self["name"])
+	self["name"] = "Changed"
+	print(name)