diff --git a/conanfile.txt b/conanfile.txt
index 048f038956408610ddfa02e4d3b780b990f2d657..8d9e042aeeef0bafbed5095de4bf6ceb2029d06b 100644
--- a/conanfile.txt
+++ b/conanfile.txt
@@ -1,5 +1,5 @@
 [requires]
-caosdb/0.0.5
+caosdb/0.0.6
 gtest/1.11.0
 
 [generators]
diff --git a/test/test_connection.cpp b/test/test_connection.cpp
index 2562998ecc1b5bb3a81e5a9e92bb7e8c5f8f4b1a..80675fc2102eb392009cad3023497af5febff316 100644
--- a/test/test_connection.cpp
+++ b/test/test_connection.cpp
@@ -18,10 +18,6 @@
  * along with this program. If not, see <https://www.gnu.org/licenses/>.
  *
  */
-#include <gtest/gtest-message.h>         // for Message
-#include <gtest/gtest-test-part.h>       // for SuiteApiResolver, TestPartR...
-#include <memory>                        // for allocator, unique_ptr, __sh...
-#include <string>                        // for stoi, string
 #include "boost/filesystem/path.hpp"     // for path
 #include "caosdb/authentication.h"       // for PlainPasswordAuthenticator
 #include "caosdb/certificate_provider.h" // for PemFileCertificateProvider
@@ -32,7 +28,11 @@
 #include "caosdb/info.h"                 // for VersionInfo
 #include "caosdb/utility.h"              // for get_env_var
 #include "caosdb_test_utility.h"         // for EXPECT_THROW_MESSAGE
+#include <gtest/gtest-message.h>         // for Message
+#include <gtest/gtest-test-part.h>       // for SuiteApiResolver, TestPartR...
 #include "gtest/gtest_pred_impl.h"       // for Test, TestInfo, TEST, EXPEC...
+#include <memory>                        // for allocator, unique_ptr, __sh...
+#include <string>                        // for stoi, string
 
 namespace caosdb::connection {
 using caosdb::authentication::PlainPasswordAuthenticator;
@@ -57,7 +57,7 @@ TEST(test_connection, connect_somehost_42347_fails) {
   auto config = InsecureConnectionConfiguration(host, port);
   Connection connection(config);
 
-  EXPECT_THROW(connection.GetVersionInfo(), ConnectionError);
+  EXPECT_THROW(connection.RetrieveVersionInfo(), ConnectionError);
 }
 
 TEST(test_connection, connection_insecure_authentication_error_anonymous) {
@@ -70,7 +70,7 @@ TEST(test_connection, connection_insecure_authentication_error_anonymous) {
   auto config = InsecureConnectionConfiguration(host, port);
   auto connection = Connection(config);
 
-  EXPECT_THROW(connection.GetVersionInfo(), AuthenticationError);
+  EXPECT_THROW(connection.RetrieveVersionInfo(), AuthenticationError);
 }
 
 TEST(test_connection, connection_ssl_authentication_error_anonymous) {
@@ -86,8 +86,10 @@ TEST(test_connection, connection_ssl_authentication_error_anonymous) {
   auto config = TlsConnectionConfiguration(host, port, cert);
   auto connection = Connection(config);
 
-  EXPECT_THROW_MESSAGE(connection.GetVersionInfo(), AuthenticationError,
-                       "Please login.");
+  EXPECT_THROW_MESSAGE(connection.RetrieveVersionInfo(), AuthenticationError,
+                       "The attempt to execute this transaction has not been "
+                       "executed at all because the authentication did not "
+                       "succeed. Original error: Please login.");
 }
 
 TEST(test_connection, connection_ssl_authentication_error_wrong_credentials) {
@@ -106,8 +108,9 @@ TEST(test_connection, connection_ssl_authentication_error_wrong_credentials) {
   auto config = TlsConnectionConfiguration(host, port, cert, auth);
   auto connection = Connection(config);
 
-  EXPECT_THROW_MESSAGE(connection.GetVersionInfo(), AuthenticationError,
-                       "Authentication failed. Username or password wrong.");
+  EXPECT_THROW_MESSAGE(
+    connection.RetrieveVersionInfo(), AuthenticationError,
+    "The attempt to execute this transaction has not been executed at all because the authentication did not succeed. Original error: Authentication failed. Username or password wrong.");
 }
 
 TEST(test_connection, connection_ssl_authentication_success) {
@@ -118,10 +121,10 @@ TEST(test_connection, connection_ssl_authentication_success) {
   const auto pre_release =
     std::string(caosdb::COMPATIBLE_SERVER_VERSION_PRE_RELEASE);
 
-  auto v_info = connection->GetVersionInfo();
-  EXPECT_EQ(major, v_info->GetMajor());
-  EXPECT_EQ(minor, v_info->GetMinor());
-  EXPECT_EQ(pre_release, v_info->GetPreRelease());
+  const auto &v_info = connection->RetrieveVersionInfo();
+  EXPECT_EQ(major, v_info.GetMajor());
+  EXPECT_EQ(minor, v_info.GetMinor());
+  EXPECT_EQ(pre_release, v_info.GetPreRelease());
 }
 
 } // namespace caosdb::connection
diff --git a/test/test_transaction.cpp b/test/test_transaction.cpp
index c07ab59fb97da8172c6ca51e1ccf0c4090fa3f70..72fb1a44df06fdb5b15e75cc15d37c28bb6b4c55 100644
--- a/test/test_transaction.cpp
+++ b/test/test_transaction.cpp
@@ -18,15 +18,20 @@
  * along with this program. If not, see <https://www.gnu.org/licenses/>.
  *
  */
-#include "caosdb/connection.h"     // for CaosDBConnection
-#include "caosdb/entity.h"         // for Entity, EntityID
-#include "caosdb/transaction.h"    // for Transaction, UniqueResult, Entity
-#include <gtest/gtest-message.h>   // for Message
-#include <gtest/gtest-test-part.h> // for SuiteApiResolver, TestFactoryImpl
-#include "gtest/gtest_pred_impl.h" // for Test, TestInfo, EXPECT_EQ, TEST
-#include <memory>                  // for allocator, static_pointer_cast
+#include <iostream>
+#include <memory>                      // for unique_ptr, allocator, __shar...
+#include "caosdb/connection.h"         // for Connection, ConnectionManager
+#include "caosdb/entity.h"             // for Entity, Messages, Message
+#include "caosdb/message_code.h"       // for ENTITY_DOES_NOT_EXIST, Messag...
+#include "caosdb/status_code.h"        // for SUCCESS, StatusCode
+#include "caosdb/transaction.h"        // for Entity, Transaction, UniqueRe...
+#include "caosdb/transaction_status.h" // for TransactionStatus, StatusCode
+#include "gtest/gtest-message.h"       // for Message
+#include "gtest/gtest-test-part.h"     // for TestPartResult, SuiteApiResolver
+#include "gtest/gtest_pred_impl.h"     // for Test, EXPECT_EQ, AssertionResult
 
 namespace caosdb::transaction {
+using caosdb::entity::MessageCode;
 
 TEST(test_transaction, DISABLED_retrieve_manufacturer_by_id) {
   const auto &connection =
@@ -62,12 +67,22 @@ TEST(test_transaction, retrieve_non_existing) {
 
   const auto *id = "non-existing-id";
   transaction->RetrieveById(id);
-  transaction->ExecuteAsyncronously();
+  transaction->ExecuteAsynchronously();
 
-  const auto &status = transaction->WaitForIt();
-  EXPECT_EQ(status, TransactionStatus::TRANSACTION_ERROR);
+  auto status = transaction->WaitForIt();
+  EXPECT_EQ(status.GetCode(), TransactionStatus::SUCCESS().GetCode());
+  ASSERT_EQ(status.GetCode(), StatusCode::SUCCESS);
 
-  EXPECT_EQ(status.GetCode(), StatusCode::GENERIC_TRANSACTION_ERROR);
+  const auto &result_set =
+    dynamic_cast<const caosdb::transaction::UniqueResult &>(
+      transaction->GetResultSet());
+
+  const auto &entity = result_set.GetEntity();
+  EXPECT_EQ(id, entity.GetId());
+  EXPECT_TRUE(entity.HasErrors());
+  ASSERT_EQ(entity.GetErrors().Size(), 1);
+  EXPECT_EQ(entity.GetErrors().At(0).GetCode(),
+            MessageCode::ENTITY_DOES_NOT_EXIST);
 }
 
 } // namespace caosdb::transaction