diff --git a/tests/test_main.py b/tests/test_main.py
index 7100d2b3..895d3d3e 100644
--- a/tests/test_main.py
+++ b/tests/test_main.py
@@ -3,7 +3,7 @@
 from unittest import mock
 import pytest
 from folio_migration_tools.custom_exceptions import TransformationProcessError
-from httpx import HTTPError
+import httpx
 
 
 def test_inheritance():
@@ -151,6 +151,25 @@ def test_task_name_arg_exception(insecure_inputs, secure_inputs):
     }
 
 
+@mock.patch(
+    "sys.argv",
+    ["__main__.py", "tests/test_data/main/not_a_file.json", "task_name"],
+)
+@mock.patch.dict(
+    "os.environ",
+    {
+        "FOLIO_MIGRATION_TOOLS_OKAPI_PASSWORD": "okapi_password",
+        "FOLIO_MIGRATION_TOOLS_BASE_FOLDER_PATH": ".",
+    },
+    clear=True,
+)
+def test_file_not_found():
+    with pytest.raises(SystemExit) as exit_info:
+        __main__.main()
+
+    assert exit_info.value.args[0] == "File not found"
+
+
 @mock.patch(
     "sys.argv",
     ["__main__.py", "tests/test_data/main/invalid_json.json", "task_name"],
@@ -270,6 +289,13 @@ def thrower():
     return thrower
 
 
+from types import SimpleNamespace
+
+
+class TestException(Exception):
+    request = SimpleNamespace(url="http://test.com")
+
+
 @mock.patch("folio_migration_tools.__main__.inheritors", lambda x: [MockTask])
 @mock.patch.dict(
     "os.environ",
@@ -332,8 +358,9 @@ def test_fail_unhandled(do_work, wrap_up):
 )
 @mock.patch.object(MockTask, "do_work", wraps=MockTask.do_work)
 @mock.patch.object(MockTask, "wrap_up", wraps=MockTask.wrap_up)
+@mock.patch("httpx.HTTPError", TestException)
 def test_fail_http(do_work, wrap_up):
-    do_work.side_effect = raise_exception_factory(HTTPError, "error_message", "error_data")
+    do_work.side_effect = raise_exception_factory(httpx.HTTPError, "message")
     with pytest.raises(SystemExit) as exit_info:
         __main__.main()
     assert exit_info.value.args[0] == "HTTP Not Connecting"