diff --git a/dev/breeze/src/airflow_breeze/utils/run_tests.py b/dev/breeze/src/airflow_breeze/utils/run_tests.py
index 1ea3bca7b0f9f..55a9c1ec6cf57 100644
--- a/dev/breeze/src/airflow_breeze/utils/run_tests.py
+++ b/dev/breeze/src/airflow_breeze/utils/run_tests.py
@@ -128,6 +128,7 @@ def run_docker_compose_tests(
         env["SKIP_DOCKER_COMPOSE_DELETION"] = "true"
     if include_success_outputs:
         env["INCLUDE_SUCCESS_OUTPUTS"] = "true"
+    env["AIRFLOW_UID"] = str(os.getuid())
     # since we are only running one test, we can print output directly with pytest -s
     command_result = run_command(
         ["uv", "run", "pytest", str(test_path), "-s", *pytest_args, *extra_pytest_args],
diff --git a/task-sdk-tests/tests/task_sdk_tests/conftest.py b/task-sdk-tests/tests/task_sdk_tests/conftest.py
index 2b2e827433072..34a65cb481d93 100644
--- a/task-sdk-tests/tests/task_sdk_tests/conftest.py
+++ b/task-sdk-tests/tests/task_sdk_tests/conftest.py
@@ -20,6 +20,7 @@
 import subprocess
 import sys
 from pathlib import Path
+from shutil import copytree
 
 import pytest
 
@@ -28,6 +29,7 @@
     AIRFLOW_ROOT_PATH,
     DOCKER_COMPOSE_FILE_PATH,
     DOCKER_IMAGE,
+    TASK_SDK_DAGS_FOLDER,
     TASK_SDK_HOST_PORT,
 )
 
@@ -105,6 +107,7 @@ def docker_compose_setup(tmp_path_factory):
     tmp_dir = tmp_path_factory.mktemp("airflow-task-sdk-test")
     tmp_docker_compose_file = tmp_dir / "docker-compose.yaml"
     copyfile(DOCKER_COMPOSE_FILE_PATH, tmp_docker_compose_file)
+    copytree(TASK_SDK_DAGS_FOLDER, tmp_dir / "dags", dirs_exist_ok=True)
 
     # Set environment variables
     os.environ["AIRFLOW_IMAGE_NAME"] = DOCKER_IMAGE
@@ -116,6 +119,7 @@ def docker_compose_setup(tmp_path_factory):
         console.print("[yellow]Starting docker-compose for session...")
         compose.compose.up(detach=True, wait=True)
         console.print("[green]Docker compose started successfully!\n")
+        compose.compose.execute(service="airflow-dag-processor", command=["airflow", "dags", "reserialize"])
 
         yield compose
     except Exception as e:
diff --git a/task-sdk-tests/tests/task_sdk_tests/constants.py b/task-sdk-tests/tests/task_sdk_tests/constants.py
index 1e35e0106c231..ac51b7f522b5f 100644
--- a/task-sdk-tests/tests/task_sdk_tests/constants.py
+++ b/task-sdk-tests/tests/task_sdk_tests/constants.py
@@ -50,3 +50,4 @@
 TASK_SDK_API_VERSION = "2025-09-23"
 
 DOCKER_COMPOSE_FILE_PATH = TASK_SDK_TESTS_ROOT / "docker" / "docker-compose.yaml"
+TASK_SDK_DAGS_FOLDER = TASK_SDK_TESTS_ROOT / "dags"