diff --git a/app/src/androidTest/java/de/medapp/wunddoku/data/repository/PatientRepositoryTest.kt b/app/src/androidTest/java/de/medapp/wunddoku/data/repository/PatientRepositoryTest.kt
index c4e4468..093e157 100644
--- a/app/src/androidTest/java/de/medapp/wunddoku/data/repository/PatientRepositoryTest.kt
+++ b/app/src/androidTest/java/de/medapp/wunddoku/data/repository/PatientRepositoryTest.kt
@@ -77,7 +77,8 @@ class PatientRepositoryTest {
         assertEquals("0123 456789", loaded.phone1)
         assertEquals("0987 654321", loaded.phone2)
         assertNull(loaded.phone3)
-        assertEquals(saved.createdAt, loaded.createdAt)
+        // Die Datenbank speichert Millisekunden, upsert() liefert Instant.now() mit höherer Genauigkeit.
+        assertEquals(saved.createdAt.toEpochMilli(), loaded.createdAt.toEpochMilli())
     }
 
     @Test
@@ -87,11 +88,11 @@ class PatientRepositoryTest {
         // createdAt im übergebenen Objekt wird bewusst ignoriert (Instant.EPOCH aus dem Helper).
         val second = repo.upsert(patient(lastName = "Musterfrau"))
 
-        assertEquals(first.createdAt, second.createdAt)
-        assertTrue(second.updatedAt >= first.updatedAt)
+        assertEquals(first.createdAt.toEpochMilli(), second.createdAt.toEpochMilli())
+        assertTrue(second.updatedAt.toEpochMilli() >= first.updatedAt.toEpochMilli())
         val loaded = repo.getById("p-1")!!
         assertEquals("Musterfrau", loaded.lastName)
-        assertEquals(first.createdAt, loaded.createdAt)
+        assertEquals(first.createdAt.toEpochMilli(), loaded.createdAt.toEpochMilli())
     }
 
     @Test