diff --git a/changedetectionio/tests/conftest.py b/changedetectionio/tests/conftest.py
index 754ec1fc..a38117cb 100644
--- a/changedetectionio/tests/conftest.py
+++ b/changedetectionio/tests/conftest.py
@@ -13,22 +13,14 @@ global app
 
 
 def cleanup(datastore_path):
+    import glob
     # Unlink test output files
-    files = [
-        'count.txt',
-        'endpoint-content.txt'
-        'headers.txt',
-        'headers-testtag.txt',
-        'notification.txt',
-        'secret.txt',
-        'url-watches.json',
-        'output.txt',
-    ]
-    for file in files:
-        try:
-            os.unlink("{}/{}".format(datastore_path, file))
-        except FileNotFoundError:
-            pass
+
+    for g in ["*.txt", "*.json", "*.pdf"]:
+        files = glob.glob(os.path.join(datastore_path, g))
+        for f in files:
+            if os.path.isfile(f):
+                os.unlink(f)
 
 @pytest.fixture(scope='session')
 def app(request):
diff --git a/changedetectionio/tests/test_notification.py b/changedetectionio/tests/test_notification.py
index 7d0e5ff2..3c6674f8 100644
--- a/changedetectionio/tests/test_notification.py
+++ b/changedetectionio/tests/test_notification.py
@@ -281,7 +281,8 @@ def test_notification_custom_endpoint_and_jinja2(client, live_server):
 
     # CUSTOM JSON BODY CHECK for POST://
     set_original_response()
-    test_notification_url = url_for('test_notification_endpoint', _external=True).replace('http://', 'post://')+"?xxx={{ watch_url }}"
+    # https://github.com/caronc/apprise/wiki/Notify_Custom_JSON#header-manipulation
+    test_notification_url = url_for('test_notification_endpoint', _external=True).replace('http://', 'post://')+"?xxx={{ watch_url }}&+custom-header=123"
 
     res = client.post(
         url_for("settings_page"),
@@ -297,10 +298,7 @@ def test_notification_custom_endpoint_and_jinja2(client, live_server):
         follow_redirects=True
     )
     assert b'Settings updated' in res.data
-    client.get(
-        url_for("form_delete", uuid="all"),
-        follow_redirects=True
-    )
+
     # Add a watch and trigger a HTTP POST
     test_url = url_for('test_endpoint', _external=True)
     res = client.post(
@@ -315,7 +313,9 @@ def test_notification_custom_endpoint_and_jinja2(client, live_server):
     set_modified_response()
 
     client.get(url_for("form_watch_checknow"), follow_redirects=True)
-    time.sleep(2)
+    wait_for_all_checks(client)
+
+    time.sleep(2) # plus extra delay for notifications to fire
 
     with open("test-datastore/notification.txt", 'r') as f:
         x = f.read()
@@ -328,6 +328,13 @@ def test_notification_custom_endpoint_and_jinja2(client, live_server):
     with open("test-datastore/notification-url.txt", 'r') as f:
         notification_url = f.read()
         assert 'xxx=http' in notification_url
+        # apprise style headers should be stripped
+        assert 'custom-header' not in notification_url
+
+    with open("test-datastore/notification-headers.txt", 'r') as f:
+        notification_headers = f.read()
+        assert 'custom-header: 123' in notification_headers.lower()
+
 
     # Should always be automatically detected as JSON content type even when we set it as 'Text' (default)
     assert os.path.isfile("test-datastore/notification-content-type.txt")
@@ -335,3 +342,8 @@ def test_notification_custom_endpoint_and_jinja2(client, live_server):
         assert 'application/json' in f.read()
 
     os.unlink("test-datastore/notification-url.txt")
+
+    client.get(
+        url_for("form_delete", uuid="all"),
+        follow_redirects=True
+    )
diff --git a/changedetectionio/tests/util.py b/changedetectionio/tests/util.py
index 904c1b62..ed1e424e 100644
--- a/changedetectionio/tests/util.py
+++ b/changedetectionio/tests/util.py
@@ -205,6 +205,9 @@ def live_server_setup(live_server):
         with open("test-datastore/notification-url.txt", "w") as f:
             f.write(request.url)
 
+        with open("test-datastore/notification-headers.txt", "w") as f:
+            f.write(str(request.headers))
+
         if request.content_type:
             with open("test-datastore/notification-content-type.txt", "w") as f:
                 f.write(request.content_type)