Tests: now autoload tests from /worlds/*/test (#1318)

Co-authored-by: black-sliver <59490463+black-sliver@users.noreply.github.com>

worlds/zillion/test/TestReproducibleRandom.py

@@ -0,0 +1,29 @@
+from typing import cast
+from . import ZillionTestBase
+
+from worlds.zillion import ZillionWorld
+
+
+class SeedTest(ZillionTestBase):
+    auto_construct = False
+
+    def test_reproduce_seed(self) -> None:
+        self.world_setup(42)
+        z_world = cast(ZillionWorld, self.multiworld.worlds[1])
+        r = z_world.zz_system.randomizer
+        assert r
+        randomized_requirements_first = tuple(
+            location.req.gun
+            for location in r.locations.values()
+        )
+
+        self.world_setup(42)
+        z_world = cast(ZillionWorld, self.multiworld.worlds[1])
+        r = z_world.zz_system.randomizer
+        assert r
+        randomized_requirements_second = tuple(
+            location.req.gun
+            for location in r.locations.values()
+        )
+
+        assert randomized_requirements_first == randomized_requirements_second