Revert "Move list_py_file_paths test to the right file (apache#45521)"

This reverts commit c29b6e8.

tests/jobs/test_scheduler_job.py

@@ -69,6 +69,7 @@
 from airflow.serialization.serialized_objects import SerializedDAG
 from airflow.timetables.base import DataInterval
 from airflow.utils import timezone
+from airflow.utils.file import list_py_file_paths
 from airflow.utils.session import create_session, provide_session
 from airflow.utils.state import DagRunState, State, TaskInstanceState
 from airflow.utils.types import DagRunType
@@ -3530,6 +3531,36 @@ def test_dag_get_active_runs(self, dag_maker):
 
         assert logical_date == running_date, "Running Date must match Execution Date"
 
+    def test_list_py_file_paths(self):
+        """
+        [JIRA-1357] Test the 'list_py_file_paths' function used by the
+        scheduler to list and load DAGs.
+        """
+        detected_files = set()
+        expected_files = set()
+        # No_dags is empty, _invalid_ is ignored by .airflowignore
+        ignored_files = {
+            "no_dags.py",
+            "test_invalid_cron.py",
+            "test_invalid_dup_task.py",
+            "test_ignore_this.py",
+            "test_invalid_param.py",
+            "test_invalid_param2.py",
+            "test_invalid_param3.py",
+            "test_invalid_param4.py",
+            "test_nested_dag.py",
+            "test_imports.py",
+            "__init__.py",
+        }
+        for root, _, files in os.walk(TEST_DAG_FOLDER):
+            for file_name in files:
+                if file_name.endswith((".py", ".zip")):
+                    if file_name not in ignored_files:
+                        expected_files.add(f"{root}/{file_name}")
+        for file_path in list_py_file_paths(TEST_DAG_FOLDER):
+            detected_files.add(file_path)
+        assert detected_files == expected_files
+
     def test_adopt_or_reset_orphaned_tasks_nothing(self):
         """Try with nothing."""
         scheduler_job = Job()

tests/utils/test_file.py

@@ -25,18 +25,11 @@
 import pytest
 
 from airflow.utils import file as file_utils
-from airflow.utils.file import (
-    correct_maybe_zipped,
-    find_path_from_directory,
-    list_py_file_paths,
-    open_maybe_zipped,
-)
+from airflow.utils.file import correct_maybe_zipped, find_path_from_directory, open_maybe_zipped
 
 from tests.models import TEST_DAGS_FOLDER
 from tests_common.test_utils.config import conf_vars
 
-TEST_DAG_FOLDER = os.environ["AIRFLOW__CORE__DAGS_FOLDER"]
-
 
 def might_contain_dag(file_path: str, zip_file: zipfile.ZipFile | None = None):
     return False
@@ -219,31 +212,6 @@ def test_get_modules_from_invalid_file(self):
 
         assert len(modules) == 0
 
-    def test_list_py_file_paths(self):
-        detected_files = set()
-        expected_files = set()
-        # No_dags is empty, _invalid_ is ignored by .airflowignore
-        ignored_files = {
-            "no_dags.py",
-            "test_invalid_cron.py",
-            "test_invalid_dup_task.py",
-            "test_ignore_this.py",
-            "test_invalid_param.py",
-            "test_invalid_param2.py",
-            "test_invalid_param3.py",
-            "test_invalid_param4.py",
-            "test_nested_dag.py",
-            "test_imports.py",
-            "__init__.py",
-        }
-        for root, _, files in os.walk(TEST_DAG_FOLDER):
-            for file_name in files:
-                if file_name.endswith((".py", ".zip")):
-                    if file_name not in ignored_files:
-                        expected_files.add(f"{root}/{file_name}")
-        detected_files = set(list_py_file_paths(TEST_DAG_FOLDER))
-        assert detected_files == expected_files
-
 
 @pytest.mark.parametrize(
     "edge_filename, expected_modification",