diff --git a/src/test/java/net/hostsharing/hsadminng/hs/office/migration/ImportOfficeTables.java b/src/test/java/net/hostsharing/hsadminng/hs/office/migration/ImportOfficeTables.java
index 6bf9ca94..50102697 100644
--- a/src/test/java/net/hostsharing/hsadminng/hs/office/migration/ImportOfficeTables.java
+++ b/src/test/java/net/hostsharing/hsadminng/hs/office/migration/ImportOfficeTables.java
@@ -62,6 +62,9 @@ import static org.assertj.core.api.Assertions.assertThat;
 @TestMethodOrder(MethodOrderer.OrderAnnotation.class)
 public class ImportOfficeTables extends ContextBasedTest {
 
+    // TODO: use real rbacSuperuser for actual import
+    private static final String rbacSuperuser = "superuser-alex@hostsharing.net";
+
     private static NavigableMap<Integer, HsOfficeContactEntity> contacts = new TreeMap<>();
     private static NavigableMap<Integer, HsOfficePersonEntity> persons = new TreeMap<>();
     private static NavigableMap<Integer, HsOfficePartnerEntity> partners = new TreeMap<>();
@@ -244,37 +247,136 @@ public class ImportOfficeTables extends ContextBasedTest {
     @Commit
     void persistEntities() {
 
-        context("superuser-alex@hostsharing.net"); // TODO: use real user for actual import
+        deleteTestDataFromHsOfficeTables();
+        resetFromHsOfficeSequences();
+        deleteFromTestTables();
+        deleteFromRbacTables();
 
-        contacts.forEach((id, contact) -> em.persist(contact));
-        updateLegacyIds(contacts, "hs_office_contact_legacy_id", "contact_id");
+        jpaAttempt.transacted(() -> {
+            context(rbacSuperuser);
+            contacts.forEach((id, contact) -> em.persist(contact));
+            updateLegacyIds(contacts, "hs_office_contact_legacy_id", "contact_id");
+        }).assertSuccessful();
 
-        persons.forEach((id, person) -> em.persist(person));
+        jpaAttempt.transacted(() -> {
+            context(rbacSuperuser);
+            persons.forEach((id, person) -> em.persist(person));
+        }).assertSuccessful();
 
-        partners.forEach((id, partner) -> em.persist(partner));
-        updateLegacyIds(partners, "hs_office_partner_legacy_id", "bp_id");
+        jpaAttempt.transacted(() -> {
+            context(rbacSuperuser);
+            partners.forEach((id, partner) -> em.persist(partner));
+            updateLegacyIds(partners, "hs_office_partner_legacy_id", "bp_id");
+        }).assertSuccessful();
 
-        debitors.forEach((id, debitor) -> em.persist(debitor));
-        memberships.forEach((id, membership) -> em.persist(membership));
-        bankAccounts.forEach((id, account) -> em.persist(account));
+        jpaAttempt.transacted(() -> {
+            context(rbacSuperuser);
+            debitors.forEach((id, debitor) -> em.persist(debitor));
+        }).assertSuccessful();
 
-        sepaMandates.forEach((id, mandate) -> em.persist(mandate));
-        updateLegacyIds(sepaMandates, "hs_office_sepamandate_legacy_id", "sepa_mandate_id");
+        jpaAttempt.transacted(() -> {
+            context(rbacSuperuser);
+            memberships.forEach((id, membership) -> em.persist(membership));
 
-        coopShares.forEach((id, shareTransaction) -> em.persist(shareTransaction));
-        updateLegacyIds(coopShares, "hs_office_coopsharestransaction_legacy_id", "member_share_id");
+        }).assertSuccessful();
 
-        coopAssets.forEach((id, assetTransaction) -> em.persist(assetTransaction));
-        updateLegacyIds(coopShares, "hs_office_coopassetstransaction_legacy_id", "member_asset_id");
+        jpaAttempt.transacted(() -> {
+            context(rbacSuperuser);
+            bankAccounts.forEach((id, account) -> em.persist(account));
+
+        }).assertSuccessful();
+
+        jpaAttempt.transacted(() -> {
+            context(rbacSuperuser);
+            sepaMandates.forEach((id, mandate) -> em.persist(mandate));
+            updateLegacyIds(sepaMandates, "hs_office_sepamandate_legacy_id", "sepa_mandate_id");
+
+        }).assertSuccessful();
+
+        jpaAttempt.transacted(() -> {
+            context(rbacSuperuser);
+            coopShares.forEach((id, shareTransaction) -> em.persist(shareTransaction));
+            updateLegacyIds(coopShares, "hs_office_coopsharestransaction_legacy_id", "member_share_id");
+
+        }).assertSuccessful();
+
+        jpaAttempt.transacted(() -> {
+            context(rbacSuperuser);
+            coopAssets.forEach((id, assetTransaction) -> em.persist(assetTransaction));
+            updateLegacyIds(coopShares, "hs_office_coopassetstransaction_legacy_id", "member_asset_id");
+        }).assertSuccessful();
 
     }
 
-    private <E extends HasUuid> void updateLegacyIds(Map<Integer, E> entities, final String legacyIdTable, final String legacyIdColumn) {
+    private void deleteTestDataFromHsOfficeTables() {
+        jpaAttempt.transacted(() -> {
+            context(rbacSuperuser);
+            em.createNativeQuery("DELETE FROM hs_office_relationship WHERE true").executeUpdate();
+            em.createNativeQuery("DELETE FROM hs_office_coopassetstransaction WHERE true").executeUpdate();
+            em.createNativeQuery("DELETE FROM hs_office_coopassetstransaction_legacy_id WHERE true").executeUpdate();
+            em.createNativeQuery("DELETE FROM hs_office_coopsharestransaction WHERE true").executeUpdate();
+            em.createNativeQuery("DELETE FROM hs_office_coopsharestransaction_legacy_id WHERE true").executeUpdate();
+            em.createNativeQuery("DELETE FROM hs_office_membership WHERE true").executeUpdate();
+            em.createNativeQuery("DELETE FROM hs_office_sepamandate WHERE true").executeUpdate();
+            em.createNativeQuery("DELETE FROM hs_office_sepamandate_legacy_id WHERE true").executeUpdate();
+            em.createNativeQuery("DELETE FROM hs_office_debitor WHERE true").executeUpdate();
+            em.createNativeQuery("DELETE FROM hs_office_bankaccount WHERE true").executeUpdate();
+            em.createNativeQuery("DELETE FROM hs_office_partner WHERE true").executeUpdate();
+            em.createNativeQuery("DELETE FROM hs_office_partner_details WHERE true").executeUpdate();
+            em.createNativeQuery("DELETE FROM hs_office_contact WHERE true").executeUpdate();
+            em.createNativeQuery("DELETE FROM hs_office_person WHERE true").executeUpdate();
+        }).assertSuccessful();
+    }
+
+    private void resetFromHsOfficeSequences() {
+        jpaAttempt.transacted(() -> {
+            context(rbacSuperuser);
+            em.createNativeQuery("ALTER SEQUENCE hs_office_contact_legacy_id_seq RESTART WITH 1000000000;").executeUpdate();
+            em.createNativeQuery("ALTER SEQUENCE hs_office_coopassetstransaction_legacy_id_seq RESTART WITH 1000000000;").executeUpdate();
+            em.createNativeQuery("ALTER SEQUENCE public.hs_office_coopsharestransaction_legacy_id_seq RESTART WITH 1000000000;").executeUpdate();
+            em.createNativeQuery("ALTER SEQUENCE public.hs_office_partner_legacy_id_seq RESTART WITH 1000000000;").executeUpdate();
+            em.createNativeQuery("ALTER SEQUENCE public.hs_office_sepamandate_legacy_id_seq RESTART WITH 1000000000;").executeUpdate();
+        });
+    }
+
+    private void deleteFromTestTables() {
+        jpaAttempt.transacted(() -> {
+            context(rbacSuperuser);
+            em.createNativeQuery("DELETE FROM test_domain WHERE true").executeUpdate();
+            em.createNativeQuery("DELETE FROM test_package WHERE true").executeUpdate();
+            em.createNativeQuery("DELETE FROM test_customer WHERE true").executeUpdate();
+        }).assertSuccessful();
+    }
+
+    private void deleteFromRbacTables() {
+        jpaAttempt.transacted(() -> {
+            context(rbacSuperuser);
+            final var usersNotToDelete = em.createNativeQuery("SELECT name FROM rbacuser WHERE name like 'superuser-%'").getResultList();
+            final var usersToDelete = em.createNativeQuery("SELECT name FROM rbacuser WHERE name not like 'superuser-%'").getResultList();
+            System.getenv();
+        });
+
+        jpaAttempt.transacted(() -> {
+            context(rbacSuperuser);
+//            em.createNativeQuery("DELETE FROM rbacobject WHERE objecttable like 'hs_%'").executeUpdate();
+//            em.createNativeQuery("DELETE FROM rbacgrants WHERE true").executeUpdate();
+//            em.createNativeQuery("DELETE FROM rbacpermission WHERE true").executeUpdate();
+//            em.createNativeQuery("DELETE FROM rbacreference WHERE true").executeUpdate();
+            em.createNativeQuery("DELETE FROM rbacuser_rv WHERE name not like 'superuser-%'").executeUpdate();
+            em.createNativeQuery("DELETE FROM tx_journal WHERE true").executeUpdate();
+            em.createNativeQuery("DELETE FROM tx_context WHERE true").executeUpdate();
+        }).assertSuccessful();
+    }
+
+    private <E extends HasUuid> void updateLegacyIds(
+            Map<Integer, E> entities,
+            final String legacyIdTable,
+            final String legacyIdColumn) {
         entities.forEach((id, entity) -> em.createNativeQuery("""
-                    UPDATE ${legacyIdTable}
-                        SET ${legacyIdColumn} = :legacyId
-                        WHERE uuid = :uuid
-                """
+                            UPDATE ${legacyIdTable}
+                                SET ${legacyIdColumn} = :legacyId
+                                WHERE uuid = :uuid
+                        """
                         .replace("${legacyIdTable}", legacyIdTable)
                         .replace("${legacyIdColumn}", legacyIdColumn))
                 .setParameter("legacyId", id)
@@ -337,7 +439,9 @@ public class ImportOfficeTables extends ContextBasedTest {
                         final var membership = HsOfficeMembershipEntity.builder()
                                 .partner(partner)
                                 .memberNumber(rec.getInteger("member_id"))
-                                .validity(toPostgresDateRange(rec.getLocalDate("member_since"), rec.getLocalDate("member_until")))
+                                .validity(toPostgresDateRange(
+                                        rec.getLocalDate("member_since"),
+                                        rec.getLocalDate("member_until")))
                                 .membershipFeeBillable(rec.isEmpty("member_role"))
                                 .reasonForTermination(
                                         isBlank(rec.getString("member_until"))
@@ -366,10 +470,10 @@ public class ImportOfficeTables extends ContextBasedTest {
                             .transactionType(
                                     "SUBSCRIPTION".equals(rec.getString("action"))
                                             ? HsOfficeCoopSharesTransactionType.SUBSCRIPTION
-                                        : "UNSUBSCRIPTION".equals(rec.getString("action"))
+                                            : "UNSUBSCRIPTION".equals(rec.getString("action"))
                                             ? HsOfficeCoopSharesTransactionType.CANCELLATION
                                             : HsOfficeCoopSharesTransactionType.ADJUSTMENT
-                                    )
+                            )
                             .shareCount(rec.getInteger("quantity"))
                             .reference(rec.getString("comment"))
                             .build();