Fix the tests

TestEditor/project.godot

@@ -0,0 +1,24 @@
+; Engine configuration file.
+; It's best edited using the editor UI and not directly,
+; since the parameters that go here are not all obvious.
+;
+; Format:
+;   [section] ; section goes between []
+;   param=value ; assign values to parameters
+
+config_version=5
+
+[application]
+
+config/name="Sample"
+run/main_scene="res://node_2d.tscn"
+config/features=PackedStringArray("4.2", "Forward Plus")
+config/icon="res://icon.svg"
+
+[editor_plugins]
+
+enabled=PackedStringArray()
+
+[rendering]
+
+textures/vram_compression/import_etc2_astc=true

Tests/SwiftGodotMacrosTests/MacroGodotTests.swift

@@ -35,14 +35,14 @@ final class MacroGodotTests: XCTestCase {
                 }
 
                 required init() {
-                	Hi._initClass ()
+                	Hi._initClass
                 	super.init ()
                 }
 
-                static func _initClass () {
+                static var _initClass: Void = {
                     let className = StringName("Hi")
                     let classInfo = ClassInfo<Hi> (name: className)
-                }
+                } ()
             }
             """,
             macros: testMacros