diff --git a/sources/awesomewidgets/abstractextitem.cpp b/sources/awesomewidgets/abstractextitem.cpp
index 787acc0..cfed6cb 100644
--- a/sources/awesomewidgets/abstractextitem.cpp
+++ b/sources/awesomewidgets/abstractextitem.cpp
@@ -178,7 +178,8 @@ void AbstractExtItem::setName(const QString _name)
 void AbstractExtItem::setNumber(int _number)
 {
     qCDebug(LOG_LIB) << "Number" << _number;
-    if (_number == -1) {
+    bool generateNumber = (_number == -1);
+    if (generateNumber) {
         _number = []() {
             qCWarning(LOG_LIB) << "Number is empty, generate new one";
             qsrand(QTime::currentTime().msec());
@@ -186,10 +187,11 @@ void AbstractExtItem::setNumber(int _number)
             qCInfo(LOG_LIB) << "Generated number is" << n;
             return n;
         }();
-        writeConfiguration();
     }
 
     m_number = _number;
+    if (generateNumber)
+        writeConfiguration();
 }
 
 
diff --git a/sources/libraries.cmake b/sources/libraries.cmake
index 0c29760..6f171a6 100644
--- a/sources/libraries.cmake
+++ b/sources/libraries.cmake
@@ -5,11 +5,11 @@ find_package(Gettext REQUIRED)
 find_package(Qt5 5.6.0 REQUIRED COMPONENTS Core DBus Network Qml Test Widgets)
 add_definitions(
         ${Qt5Core_DEFINITIONS} ${Qt5DBus_DEFINITIONS} ${Qt5Network_DEFINITIONS}
-        ${Qt5Qml_DEFINITIONS} ${Qt5Test_DEFINITIONS} ${Qt5Widgets_DEFINITIONS}
+        ${Qt5Qml_DEFINITIONS} ${Qt5Widgets_DEFINITIONS}
 )
 set(Qt_INCLUDE
         ${Qt5Core_INCLUDE_DIRS} ${Qt5DBus_INCLUDE_DIRS} ${Qt5Network_INCLUDE_DIRS}
-        ${Qt5Qml_INCLUDE_DIRS} ${Qt5Test_INCLUDE_DIRS} ${Qt5Widgets_INCLUDE_DIRS}
+        ${Qt5Qml_INCLUDE_DIRS} ${Qt5Widgets_INCLUDE_DIRS}
 )
 set(Qt_LIBRARIES
         ${Qt5Core_LIBRARIES} ${Qt5DBus_LIBRARIES} ${Qt5Network_LIBRARIES}
diff --git a/sources/test/CMakeLists.txt b/sources/test/CMakeLists.txt
index 45f5831..e8a2804 100644
--- a/sources/test/CMakeLists.txt
+++ b/sources/test/CMakeLists.txt
@@ -2,12 +2,14 @@ set(SUBPROJECT awesomewidgets-test)
 message(STATUS "Subproject ${SUBPROJECT}")
 
 # find qt test package
+add_definitions(${Qt5Test_DEFINITIONS})
 include_directories(
         ${CMAKE_SOURCE_DIR}
         ${CMAKE_BINARY_DIR}
         ${CMAKE_CURRENT_SOURCE_DIR}/../${PROJECT_LIBRARY}/
         ${PROJECT_TRDPARTY_DIR}
         ${Qt_INCLUDE}
+        ${Qt5Test_INCLUDE_DIRS}
         ${Kf5_INCLUDE}
 )
 
diff --git a/sources/test/awtestlibrary.cpp b/sources/test/awtestlibrary.cpp
index 6883972..a36c589 100644
--- a/sources/test/awtestlibrary.cpp
+++ b/sources/test/awtestlibrary.cpp
@@ -19,6 +19,7 @@
 #include "awtestlibrary.h"
 
 #include <QSet>
+#include <QStandardPaths>
 
 
 char AWTestLibrary::randomChar()
@@ -33,6 +34,22 @@ double AWTestLibrary::randomDouble()
 }
 
 
+QPair<QString, QString> AWTestLibrary::randomFilenames()
+{
+    QString fileName = QString("%1/").arg(
+        QStandardPaths::writableLocation(QStandardPaths::TempLocation));
+    QString writeFileName = QString("%1/awesomewidgets/tmp/")
+                                .arg(QStandardPaths::writableLocation(
+                                    QStandardPaths::GenericDataLocation));
+
+    QString name = randomString(20);
+    fileName += name;
+    writeFileName += name;
+
+    return QPair<QString, QString>(fileName, writeFileName);
+}
+
+
 int AWTestLibrary::randomInt(const int max)
 {
     return rand() % max;
diff --git a/sources/test/awtestlibrary.h b/sources/test/awtestlibrary.h
index 355d8a0..44d4dc0 100644
--- a/sources/test/awtestlibrary.h
+++ b/sources/test/awtestlibrary.h
@@ -26,6 +26,7 @@ namespace AWTestLibrary
 {
 char randomChar();
 double randomDouble();
+QPair<QString, QString> randomFilenames();
 int randomInt(const int max = 100);
 QString randomString(const int max = 100);
 QStringList randomStringList(const int max = 100);
diff --git a/sources/test/testabstractextitem.cpp b/sources/test/testabstractextitem.cpp
index ffb9068..379b186 100644
--- a/sources/test/testabstractextitem.cpp
+++ b/sources/test/testabstractextitem.cpp
@@ -26,7 +26,9 @@
 
 void TestAbstractExtItem::initTestCase()
 {
-    generateFilename();
+    auto names = AWTestLibrary::randomFilenames();
+    fileName = names.first;
+    writeFileName = names.second;
 
     extItem = new ExtUpgrade(nullptr, fileName);
     extItem->setActive(false);
@@ -108,18 +110,4 @@ void TestAbstractExtItem::test_copy()
 }
 
 
-void TestAbstractExtItem::generateFilename()
-{
-    fileName = QString("%1/").arg(
-        QStandardPaths::writableLocation(QStandardPaths::TempLocation));
-    writeFileName = QString("%1/awesomewidgets/tmp/")
-                        .arg(QStandardPaths::writableLocation(
-                            QStandardPaths::GenericDataLocation));
-
-    QString name = AWTestLibrary::randomString(20);
-    fileName += name;
-    writeFileName += name;
-}
-
-
 QTEST_MAIN(TestAbstractExtItem);
diff --git a/sources/test/testabstractextitem.h b/sources/test/testabstractextitem.h
index 805fe5a..43f1ea0 100644
--- a/sources/test/testabstractextitem.h
+++ b/sources/test/testabstractextitem.h
@@ -41,7 +41,6 @@ private slots:
     void test_copy();
 
 private:
-    void generateFilename();
     ExtUpgrade *extItem = nullptr;
     QString comment = QString("A comment");
     QString name = QString("A name");