diff --git a/tests/health_check.rs b/tests/health_check.rs
index b3f1bd0..b72efb1 100644
--- a/tests/health_check.rs
+++ b/tests/health_check.rs
@@ -143,7 +143,7 @@ async fn subscribe_returns_a_400_when_data_is_missing() {
 }
 
 #[actix_rt::test]
-async fn subscribe_returns_a_200_when_fields_are_present_but_empty() {
+async fn subscribe_returns_a_400_when_fields_are_present_but_invalid() {
     // Arrange
     let app = spawn_app().await;
     let client = reqwest::Client::new();
@@ -165,9 +165,9 @@ async fn subscribe_returns_a_200_when_fields_are_present_but_empty() {
 
         // Assert
         assert_eq!(
-            200,
+            400,
             response.status().as_u16(),
-            "The API did not return a 200 OK when the payload was {}.",
+            "The API did not return a 400 Bad Request when the payload was {}.",
             description
         );
     }