Resolve ""Error: Exercise could not be found..." during resource loading"

Related to #526 (closed)

src/test/java/at/ac/uibk/gitsearch/service/AuditEventServiceIT.java

@@ -116,17 +116,25 @@ public class AuditEventServiceIT {
       }
     );
 
-    log.info("Saved {} outdated AuditEvents", MAX_OUTDATEDVALUES);
-    assertThat(persistenceAuditEventRepository.findAll().size()).isGreaterThan(MAX_OUTDATEDVALUES);
-
-    log.info("Removing outdated AuditEvents");
-    auditEventService.removeOldAuditEvents();
-    //        persistenceAuditEventRepository.flush();
-
-    log.info("Removed outdated AuditEvents");
-    assertThat(persistenceAuditEventRepository.findAll().size()).isEqualTo(currentAuditLogs + 2);
-    assertThat(persistenceAuditEventRepository.findByPrincipal("test-user-old")).isEmpty();
-    assertThat(persistenceAuditEventRepository.findByPrincipal("test-user-retention")).isNotEmpty();
-    assertThat(persistenceAuditEventRepository.findByPrincipal("test-user-new")).isNotEmpty();
+    isolatedTransactionTemplate.execute(
+      new TransactionCallback<Boolean>() {
+        @Override
+        public Boolean doInTransaction(TransactionStatus status) {
+          log.info("Saved {} outdated AuditEvents", MAX_OUTDATEDVALUES);
+          assertThat(persistenceAuditEventRepository.findAll().size()).isGreaterThan(MAX_OUTDATEDVALUES);
+
+          log.info("Removing outdated AuditEvents");
+          auditEventService.removeOldAuditEvents();
+          // persistenceAuditEventRepository.flush();
+
+          log.info("Removed outdated AuditEvents");
+          assertThat(persistenceAuditEventRepository.findAll().size()).isEqualTo(currentAuditLogs + 2);
+          assertThat(persistenceAuditEventRepository.findByPrincipal("test-user-old")).isEmpty();
+          assertThat(persistenceAuditEventRepository.findByPrincipal("test-user-retention")).isNotEmpty();
+          assertThat(persistenceAuditEventRepository.findByPrincipal("test-user-new")).isNotEmpty();
+          return true;
+        }
+      }
+    );
   }
 }