add REST-tests:

- MEMBERSHIP_UUID_NOT_FOUND_OR_NOT_ACCESSIBLE
- MEMBERSHIP_UUID_AND_MEMBER_NUMBER_MUST_NOT_BE_GIVEN_BOTH
- REVERSAL_ASSET_TRANSACTION_REQUIRES_REVERTED_ASSET_TX_UUID

src/main/java/net/hostsharing/hsadminng/hs/office/coopassets/HsOfficeCoopAssetsTransactionController.java

@@ -217,7 +217,7 @@ public class HsOfficeCoopAssetsTransactionController implements HsOfficeCoopAsse
             final HsOfficeMembershipEntity membership = ofNullable(emw.find(
                     HsOfficeMembershipEntity.class,
                     resource.getMembershipUuid()))
-                    .orElseThrow(() -> new EntityNotFoundException("ERROR: [400] membership.uuid %s not found".formatted(
+                    .orElseThrow(() -> new EntityNotFoundException("membership.uuid %s not found".formatted(
                             resource.getMembershipUuid())));
             entity.setMembership(membership);
         }
@@ -227,7 +227,7 @@ public class HsOfficeCoopAssetsTransactionController implements HsOfficeCoopAsse
                 throw new ValidationException("REVERSAL asset transaction requires revertedAssetTx.uuid");
             }
             final var revertedAssetTx = coopAssetsTransactionRepo.findByUuid(resource.getRevertedAssetTxUuid())
-                    .orElseThrow(() -> new EntityNotFoundException("ERROR: [400] revertedAssetTx.uuid %s not found".formatted(
+                    .orElseThrow(() -> new EntityNotFoundException("revertedAssetTx.uuid %s not found".formatted(
                             resource.getRevertedAssetTxUuid())));
             revertedAssetTx.setReversalAssetTx(entity);
             entity.setRevertedAssetTx(revertedAssetTx);
@@ -267,11 +267,11 @@ public class HsOfficeCoopAssetsTransactionController implements HsOfficeCoopAsse
         final var adoptingMembershipUuid = resource.getAdoptingMembershipUuid();
         final var adoptingMembershipMemberNumber = resource.getAdoptingMembershipMemberNumber();
         if (adoptingMembershipUuid != null && adoptingMembershipMemberNumber != null) {
-            throw new IllegalArgumentException(
+            throw new ValidationException(
                     // @formatter:off
                 resource.getTransactionType() == HsOfficeCoopAssetsTransactionTypeResource.TRANSFER
-                    ? "[400] either adoptingMembership.uuid or adoptingMembership.memberNumber can be given, not both"
+                    ? "either adoptingMembership.uuid or adoptingMembership.memberNumber can be given, not both"
-                    : "[400] adoptingMembership.uuid and adoptingMembership.memberNumber must not be given for transactionType="
+                    : "adoptingMembership.uuid and adoptingMembership.memberNumber must not be given for transactionType="
                             + resource.getTransactionType());
                 // @formatter:on
         }

src/test/java/net/hostsharing/hsadminng/hs/office/coopassets/HsOfficeCoopAssetsTransactionControllerRestTest.java

@@ -500,6 +500,24 @@ class HsOfficeCoopAssetsTransactionControllerRestTest {
                 requestBody -> requestBody.without("membership.uuid"),
                 "[membershipUuid must not be null but is \"null\"]"), // TODO.impl: should be membership.uuid, Spring validation-problem?
 
+        MEMBERSHIP_UUID_NOT_FOUND_OR_NOT_ACCESSIBLE(
+                requestBody -> requestBody.with("membership.uuid", UNAVAILABLE_MEMBERSHIP_UUID.toString()),
+                "membership.uuid " + UNAVAILABLE_MEMBERSHIP_UUID + " not found"),
+
+        MEMBERSHIP_UUID_AND_MEMBER_NUMBER_MUST_NOT_BE_GIVEN_BOTH(
+                requestBody -> requestBody
+                        .with("transactionType", TRANSFER.name())
+                        .with("assetValue", "-128.00")
+                        .with("adoptingMembership.uuid", UNAVAILABLE_MEMBERSHIP_UUID.toString())
+                        .with("adoptingMembership.memberNumber", UNAVAILABLE_MEMBER_NUMBER),
+                "either adoptingMembership.uuid or adoptingMembership.memberNumber can be given, not both"),
+
+        REVERSAL_ASSET_TRANSACTION_REQUIRES_REVERTED_ASSET_TX_UUID(
+                requestBody -> requestBody
+                            .with("transactionType", REVERSAL.name())
+                            .with("assetValue", "-128.00"),
+                "REVERSAL asset transaction requires revertedAssetTx.uuid"),
+
         TRANSACTION_TYPE_MISSING(
                 requestBody -> requestBody.without("transactionType"),
                 "[transactionType must not be null but is \"null\"]"),
@@ -576,7 +594,7 @@ class HsOfficeCoopAssetsTransactionControllerRestTest {
         //  - set SINGLE_TEST_CASE_EXECUTION to true - see above
         //  - select the test case enum value you want to run
         assumeThat(!SINGLE_TEST_CASE_EXECUTION ||
-                testCase == BadRequestTestCases.ADOPTING_MEMBERSHIP_NUMBER_FOR_TRANSFER_MUST_BE_GIVEN_AND_AVAILABLE).isTrue();
+                testCase == BadRequestTestCases.REVERSAL_ASSET_TRANSACTION_REQUIRES_REVERTED_ASSET_TX_UUID).isTrue();
 
         // when
         mockMvc.perform(MockMvcRequestBuilders