diff --git a/test/test_transaction.cpp b/test/test_transaction.cpp
index 2e5d4fb2ff5aed990b7a1fa8a7bc09f0a6f7beaf..53f69d0eb0079ff258d7b87747df864580e323d0 100644
--- a/test/test_transaction.cpp
+++ b/test/test_transaction.cpp
@@ -26,7 +26,7 @@
 #include "caosdb/transaction.h"        // for Entity, Transaction,...
 #include "caosdb/transaction_status.h" // for TransactionStatus, StatusCode
 #include <boost/filesystem/operations.hpp>  // for remove
-#include <boost/filesystem/path.hpp>   // for path
+#include <boost/filesystem/path.hpp>        // for path
 #include <boost/filesystem/path_traits.hpp> // for filesystem
 #include <gtest/gtest-message.h>            // for Message
 #include <gtest/gtest-test-part.h> // for TestPartResult, SuiteApiResolver
@@ -41,7 +41,6 @@ using caosdb::entity::Entity;
 using caosdb::entity::MessageCode;
 using caosdb::entity::Parent;
 using caosdb::entity::Property;
-using FileExchange::FileWriter;
 
 class test_transaction : public ::testing::Test {
 protected:
@@ -193,7 +192,6 @@ TEST_F(test_transaction, insert_delete) {
   ASSERT_TRUE(delete_status.IsTerminated());
   ASSERT_FALSE(delete_status.IsError());
 
-
   const auto &delete_result_set = delete_transaction->GetResultSet();
 
   const auto &deleted_entity = delete_result_set.at(0);
@@ -218,8 +216,7 @@ TEST_F(test_transaction, insert_delete_with_parent) {
   ASSERT_TRUE(insert_status.IsTerminated());
   ASSERT_FALSE(insert_status.IsError());
 
-  const auto &insert_result_set =
-        insert_transaction->GetResultSet();
+  const auto &insert_result_set = insert_transaction->GetResultSet();
 
   const auto &inserted_rt = insert_result_set.at(0);
 
@@ -397,8 +394,7 @@ TEST_F(test_transaction, insert_delete_with_property) {
   ASSERT_TRUE(rec_retrieve_status.IsTerminated());
   ASSERT_FALSE(rec_retrieve_status.IsError());
 
-  const auto &rec_retrieve_results =
-    rec_retrieval->GetResultSet();
+  const auto &rec_retrieve_results = rec_retrieval->GetResultSet();
 
   const auto &retrieved_rec = rec_retrieve_results.at(0);
   EXPECT_EQ(rec.GetName(), retrieved_rec.GetName());
@@ -463,8 +459,7 @@ TEST_F(test_transaction, insert_update_delete) {
   ASSERT_TRUE(insert_status.IsTerminated());
   ASSERT_FALSE(insert_status.IsError());
 
-  const auto &insert_result_set =
-    insert_transaction->GetResultSet();
+  const auto &insert_result_set = insert_transaction->GetResultSet();
 
   const auto &new_entity = insert_result_set.at(0);
   EXPECT_FALSE(new_entity.GetId().empty());
@@ -504,8 +499,7 @@ TEST_F(test_transaction, insert_update_delete) {
   ASSERT_TRUE(delete_status.IsTerminated());
   ASSERT_FALSE(delete_status.IsError());
 
-  const auto &delete_result_set =
-    delete_transaction->GetResultSet();
+  const auto &delete_result_set = delete_transaction->GetResultSet();
 
   const auto &deleted_entity = delete_result_set.at(0);
   EXPECT_EQ(deleted_entity.GetId(), new_entity.GetId());
@@ -529,8 +523,7 @@ TEST_F(test_transaction, test_query) {
   ASSERT_TRUE(insert_status.IsTerminated());
   ASSERT_FALSE(insert_status.IsError());
 
-  const auto &insert_result_set =
-    insert_transaction->GetResultSet();
+  const auto &insert_result_set = insert_transaction->GetResultSet();
 
   const auto &new_entity = insert_result_set.at(0);
   EXPECT_FALSE(new_entity.GetId().empty());
@@ -571,8 +564,7 @@ TEST_F(test_transaction, test_query_with_retrieve) {
   ASSERT_TRUE(insert_rt1_status.IsTerminated());
   ASSERT_FALSE(insert_rt1_status.IsError());
 
-  const auto &insert_rt1_results =
-    insert_rt1_transaction->GetResultSet();
+  const auto &insert_rt1_results = insert_rt1_transaction->GetResultSet();
 
   const auto &inserted_rt1 = insert_rt1_results.at(0);
   EXPECT_FALSE(inserted_rt1.GetId().empty());
@@ -592,8 +584,7 @@ TEST_F(test_transaction, test_query_with_retrieve) {
   ASSERT_TRUE(insert_rt2_status.IsTerminated());
   ASSERT_FALSE(insert_rt2_status.IsError());
 
-  const auto &insert_rt2_results =
-    insert_rt2_transaction->GetResultSet();
+  const auto &insert_rt2_results = insert_rt2_transaction->GetResultSet();
 
   const auto &inserted_rt2 = insert_rt2_results.at(0);
   EXPECT_FALSE(inserted_rt2.GetId().empty());
@@ -613,8 +604,7 @@ TEST_F(test_transaction, test_query_with_retrieve) {
   ASSERT_TRUE(insert_rt3_status.IsTerminated());
   ASSERT_FALSE(insert_rt3_status.IsError());
 
-  const auto &insert_rt3_results =
-    insert_rt3_transaction->GetResultSet();
+  const auto &insert_rt3_results = insert_rt3_transaction->GetResultSet();
 
   const auto &inserted_rt3 = insert_rt3_results.at(0);
   EXPECT_FALSE(inserted_rt3.GetId().empty());
@@ -686,8 +676,7 @@ TEST_F(test_transaction, test_file_upload) {
   ASSERT_TRUE(insert_status.IsTerminated());
   EXPECT_EQ(insert_status.GetCode(), StatusCode::SUCCESS);
 
-  const auto &insert_results =
-    insert_transaction->GetResultSet();
+  const auto &insert_results = insert_transaction->GetResultSet();
 
   const auto &inserted_file = insert_results.at(0);
   EXPECT_FALSE(inserted_file.GetId().empty());