Updating gitea workers and adding gdunit4 and fake test.

tests/test_wave_config.gd

@@ -0,0 +1,8 @@
+extends GdUnitTest
+
+func setUp() -> void:
+    pass # runs before each test case
+
+func test_something_basic() -> void:
+    var value := 42
+    assertEquals(42, value)