diff --git a/setup.cfg b/setup.cfg
index 11433ee..91a3c28 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,2 +1,5 @@
 [flake8]
 max-line-length=99
+
+[metadata]
+license_files = LICENSE.md
diff --git a/workflow_tests/test_create_content.py b/workflow_tests/test_create_content.py
index 5363ff4..1295589 100644
--- a/workflow_tests/test_create_content.py
+++ b/workflow_tests/test_create_content.py
@@ -174,6 +174,8 @@ def client():
         host=os.environ["API_HOST"], api_key={"key": os.environ["API_KEY"]}
     )
     api_client = lilt.ApiClient(configuration)
+    api_client.set_default_header("x-is-automated-test", True)
+    api_client.set_default_header("x-is-expected-error", True)
     commit = os.environ.get("GIT_COMMIT_SHA", "no_version_available")
     api_client.user_agent = f"lilt-python-e2e-tests/{commit}"
     return api_client
diff --git a/workflow_tests/test_data_source.py b/workflow_tests/test_data_source.py
index bb3d1f3..b2da6a4 100644
--- a/workflow_tests/test_data_source.py
+++ b/workflow_tests/test_data_source.py
@@ -204,6 +204,8 @@ def client():
         host=os.environ["API_HOST"], api_key={"key": os.environ["API_KEY"]}
     )
     api_client = lilt.ApiClient(configuration)
+    api_client.set_default_header("x-is-automated-test", True)
+    api_client.set_default_header("x-is-expected-error", True)
     commit = os.environ.get("GIT_COMMIT_SHA", "no_version_available")
     api_client.user_agent = f"lilt-python-e2e-tests/{commit}"
     return api_client
diff --git a/workflow_tests/test_instant_translate.py b/workflow_tests/test_instant_translate.py
index 855c9cf..34325f7 100644
--- a/workflow_tests/test_instant_translate.py
+++ b/workflow_tests/test_instant_translate.py
@@ -40,6 +40,8 @@ def client():
         host=os.environ["API_HOST"], api_key={"key": os.environ["API_KEY"]}
     )
     api_client = lilt.ApiClient(configuration)
+    api_client.set_default_header("x-is-automated-test", True)
+    api_client.set_default_header("x-is-expected-error", True)
     commit = os.environ.get("GIT_COMMIT_SHA", "no_version_available")
     api_client.user_agent = f"lilt-python-e2e-tests/{commit}"
     return api_client
diff --git a/workflow_tests/test_verified_translate.py b/workflow_tests/test_verified_translate.py
index 1755fc5..28192af 100644
--- a/workflow_tests/test_verified_translate.py
+++ b/workflow_tests/test_verified_translate.py
@@ -23,6 +23,8 @@ def client():
         host=os.environ["API_HOST"], api_key={"key": os.environ["API_KEY"]}
     )
     api_client = lilt.ApiClient(configuration)
+    api_client.set_default_header("x-is-automated-test", True)
+    api_client.set_default_header("x-is-expected-error", True)
     commit = os.environ.get("GIT_COMMIT_SHA", "no_version_available")
     api_client.user_agent = f"lilt-python-e2e-tests/{commit}"
     return api_client