[Test] enable precompiled headers

- also remove unused headers

src/Mod/Test/Gui/AppTestGui.cpp

@@ -22,13 +22,14 @@
 
 #include "PreCompiled.h"
 
-#include "UnitTestPy.h"
-#include "UnitTestImp.h"
-
-#include <Gui/Language/Translator.h>
 #include <Base/Console.h>
 #include <Base/ConsoleObserver.h>
 #include <Base/Interpreter.h>
+#include <Gui/Language/Translator.h>
+
+#include "UnitTestImp.h"
+#include "UnitTestPy.h"
+
 
 class ILoggerBlockerTest : public Base::ILogger
 {

src/Mod/Test/Gui/CMakeLists.txt

@@ -47,6 +47,12 @@ SET(TestGuiIcon_SVG
     Resources/icons/TestWorkbench.svg
 )
 
+if(FREECAD_USE_PCH)
+    add_definitions(-D_PreComp_)
+    GET_MSVC_PRECOMPILED_SOURCE("PreCompiled.cpp" PCH_SRCS ${TestGui_SRCS})
+    ADD_MSVC_PRECOMPILED_HEADER(QtUnitGui PreCompiled.h PreCompiled.cpp PCH_SRCS)
+endif(FREECAD_USE_PCH)
+
 add_library(QtUnitGui SHARED ${TestGui_SRCS} ${TestGuiPy_SRCS} ${TestGuiIcon_SVG})
 
 target_link_libraries(QtUnitGui ${TestGui_LIBS})

src/Mod/Test/Gui/PreCompiled.cpp

@@ -20,5 +20,4 @@
  *                                                                         *
  ***************************************************************************/
 
-
 #include "PreCompiled.h"

src/Mod/Test/Gui/PreCompiled.h

@@ -20,7 +20,6 @@
  *                                                                         *
  ***************************************************************************/
 
-
 #ifndef __PRECOMPILED_GUI__
 #define __PRECOMPILED_GUI__
 
@@ -35,31 +34,10 @@
 # pragma warning( disable : 4786 )  // specifier longer then 255 chars
 #endif
 
-// standard
-#include <cstdio>
-#include <cassert>
-
-// STL
-#include <algorithm>
-#include <iostream>
-#include <list>
-#include <map>
-#include <queue>
-#include <set>
-#include <sstream>
-#include <stack>
-#include <string>
-#include <vector>
-#include <bitset>
-
-#ifdef FC_OS_WIN32
-# include <windows.h>
-#endif
-
 // Qt Toolkit
-#ifndef __QtAll__
-# include <Gui/QtAll.h>
-#endif
+#include <QApplication>
+#include <QEventLoop>
+#include <QMessageBox>
 
 #endif  //_PreComp_
 

src/Mod/Test/Gui/UnitTestImp.cpp

@@ -20,24 +20,20 @@
  *                                                                         *
  ***************************************************************************/
 
-
 #include "PreCompiled.h"
 #ifndef _PreComp_
 # include <QMessageBox>
-# include <QStyleFactory>
 #endif
 
-#include <Base/PyObjectBase.h>
 #include <Base/Interpreter.h>
 #include <Gui/MainWindow.h>
+
 #include "UnitTestImp.h"
 #include "ui_UnitTest.h"
-#include "UnitTestPy.h"
 
 
 using namespace TestGui;
 
-
 /* TRANSLATOR TestGui::UnitTestDialog */
 
 UnitTestDialog* UnitTestDialog::_instance=nullptr;

src/Mod/Test/Gui/UnitTestPy.cpp

@@ -20,16 +20,13 @@
  *                                                                         *
  ***************************************************************************/
 
-
 #include "PreCompiled.h"
 #ifndef _PreComp_
 # include <QApplication>
 # include <QEventLoop>
 #endif
 
-#include <Base/PyObjectBase.h>
 #include <Base/Exception.h>
-#include <Base/Console.h>
 
 #include "UnitTestPy.h"
 #include "UnitTestImp.h"