truncate OffsetDateTime to MICROS for pipeline to run successfully

Author: J0nasMayr

src/main/java/it/aboutbits/springboot/emailservice/lib/application/ManageEmail.java

@@ -80,7 +80,6 @@ public EmailDto sendOrFail(@Valid EmailParameter parameter) throws EmailExceptio
 
         email.setState(EmailState.SENDING);
         email.setExecutionStartTime(OffsetDateTime.now());
-        email.setExecutionEndTime(null);
         email.setErrorMessage(null);
         email.incrementAttempts();
         emailRepository.save(email);

src/test/java/it/aboutbits/springboot/emailservice/lib/application/SendScheduledEmailsTest.java

@@ -15,6 +15,7 @@
 import org.springframework.test.context.bean.override.mockito.MockitoSpyBean;
 
 import java.time.OffsetDateTime;
+import java.time.temporal.ChronoUnit;
 import java.util.concurrent.CountDownLatch;
 import java.util.concurrent.Executors;
 import java.util.concurrent.TimeUnit;
@@ -161,7 +162,7 @@ void givenStuckSendingRow_sendEmails_shouldRecoverAndResend() {
     void givenFreshSendingRowWithinThreshold_sendEmails_shouldNotStealFromOtherPod() {
         // executionStartTime within the 5-minute threshold means another pod is legitimately
         // sending this right now; we must not re-claim it.
-        var recentStart = OffsetDateTime.now().minusSeconds(30);
+        var recentStart = OffsetDateTime.now().minusSeconds(30).truncatedTo(ChronoUnit.MICROS);
         emailRepository.save(
                 EmailFactory.once()
                         .state(EmailState.SENDING)