diff --git a/scalabot-meta/src/test/kotlin/UsernameAuthenticatorTest.kt b/scalabot-meta/src/test/kotlin/UsernameAuthenticatorTest.kt
index 8270187..6dde4f1 100644
--- a/scalabot-meta/src/test/kotlin/UsernameAuthenticatorTest.kt
+++ b/scalabot-meta/src/test/kotlin/UsernameAuthenticatorTest.kt
@@ -10,6 +10,7 @@ internal class UsernameAuthenticatorTest {
         assertTrue(authenticator.checkCredentials("testUser", "testPassword"))
         assertFalse(authenticator.checkCredentials("falseUser", "testPassword"))
         assertFalse(authenticator.checkCredentials("testUser", "falsePassword"))
+        assertFalse(authenticator.checkCredentials("falseUser", "falsePassword"))
     }
 
     @Test