diff --git a/script/gen_requirements_all.py b/script/gen_requirements_all.py
index 02ef8d929da..117e5230c52 100755
--- a/script/gen_requirements_all.py
+++ b/script/gen_requirements_all.py
@@ -136,22 +136,12 @@ def has_tests(module: str):
     """Test if a module has tests.
 
     Module format: homeassistant.components.hue
-    Test if exists: tests/components/hue
+    Test if exists: tests/components/hue/__init__.py
     """
-    path = Path(module.replace(".", "/").replace("homeassistant", "tests"))
-    if not path.exists():
-        return False
-
-    if not path.is_dir():
-        return True
-
-    # Dev environments might have stale directories around
-    # from removed tests. Check for that.
-    content = [f.name for f in path.glob("*")]
-
-    # Directories need to contain more than `__pycache__`
-    # to exist in Git and so be seen by CI.
-    return content != ["__pycache__"]
+    path = (
+        Path(module.replace(".", "/").replace("homeassistant", "tests")) / "__init__.py"
+    )
+    return path.exists()
 
 
 def explore_module(package, explore_children):
diff --git a/tests/components/amberelectric/__init__.py b/tests/components/amberelectric/__init__.py
new file mode 100644
index 00000000000..9eae18c65aa
--- /dev/null
+++ b/tests/components/amberelectric/__init__.py
@@ -0,0 +1 @@
+"""Tests for the amberelectric integration."""