diff --git a/src/test/kotlin/fi/hsl/jore4/timetables/api/TimetablesCombineApiTest.kt b/src/test/kotlin/fi/hsl/jore4/timetables/api/TimetablesCombineApiTest.kt
index 8dce318..1e440e3 100644
--- a/src/test/kotlin/fi/hsl/jore4/timetables/api/TimetablesCombineApiTest.kt
+++ b/src/test/kotlin/fi/hsl/jore4/timetables/api/TimetablesCombineApiTest.kt
@@ -25,6 +25,7 @@ import org.springframework.test.web.servlet.result.MockMvcResultMatchers
 import java.util.UUID
 
 @ExtendWith(MockKExtension::class)
+@MockKExtension.ConfirmVerification
 @AutoConfigureMockMvc
 @SpringBootTest
 @ActiveProfiles("test")
diff --git a/src/test/kotlin/fi/hsl/jore4/timetables/api/TimetablesReplaceApiTest.kt b/src/test/kotlin/fi/hsl/jore4/timetables/api/TimetablesReplaceApiTest.kt
index bb8b09a..bbe62d0 100644
--- a/src/test/kotlin/fi/hsl/jore4/timetables/api/TimetablesReplaceApiTest.kt
+++ b/src/test/kotlin/fi/hsl/jore4/timetables/api/TimetablesReplaceApiTest.kt
@@ -27,6 +27,7 @@ import java.util.UUID
 private val LOGGER = KotlinLogging.logger {}
 
 @ExtendWith(MockKExtension::class)
+@MockKExtension.ConfirmVerification
 @AutoConfigureMockMvc
 @SpringBootTest
 @ActiveProfiles("test")