diff --git a/app/publisher/publisher.py b/app/publisher/publisher.py
index e4378dda24..909a437a3b 100644
--- a/app/publisher/publisher.py
+++ b/app/publisher/publisher.py
@@ -29,10 +29,9 @@ def _publish(self, topic_id: str, message: bytes) -> Future:
         response: Future = self._client.publish(topic_path, message)
         return response
 
-    # pragma: no cover
     def publish(
         self, topic_id: str, message: bytes, fulfilment_request_transaction_id: str
-    ) -> None:  # pragma: no cover
+    ) -> None:
         response = self._publish(topic_id, message)
         try:
             # Resolve the future
diff --git a/tests/app/publisher/test_publisher.py b/tests/app/publisher/test_publisher.py
index f6e3c2c431..b29a2a2f3a 100644
--- a/tests/app/publisher/test_publisher.py
+++ b/tests/app/publisher/test_publisher.py
@@ -1,5 +1,11 @@
+from unittest.mock import Mock, patch
+from uuid import uuid4
+
+import pytest
 from google.pubsub_v1.types.pubsub import PubsubMessage
 
+from app.publisher.exceptions import PublicationFailed
+
 
 def test_publish(publisher, mocker):
     topic_id = "test-topic-id"
@@ -24,3 +30,18 @@ def test_publish(publisher, mocker):
 
     # Check mock.
     batch.publish.assert_has_calls([mocker.call(PubsubMessage(data=b"test-message"))])
+
+
+def test_resolving_message_raises_exception_on_error(publisher):
+    mock_future = Mock()
+    mock_future.result.side_effect = Exception()
+
+    with patch(
+        "app.publisher.publisher.PubSubPublisher._publish", return_value=mock_future
+    ):
+        with pytest.raises(PublicationFailed):
+            publisher.publish(
+                "test-topic-id",
+                b"test-message",
+                fulfilment_request_transaction_id=str(uuid4()),
+            )