[win_build.bat] Build and run nix testrunner

Author: mpsonntag

win_build.bat

@@ -74,11 +74,20 @@ cmake --build . --config %BUILD_TYPE% --target nix
 
 IF %ERRORLEVEL% == 1 (EXIT /b)
 
+ECHO --------------------------------------------------------------------------
+ECHO Building nix testrunner ...
+ECHO --------------------------------------------------------------------------
+cmake --build . --config %BUILD_TYPE% --target testrunner
+
+IF %ERRORLEVEL% == 1 (EXIT /b)
+
 ECHO --------------------------------------------------------------------------
 ECHO Testing nix ...
 ECHO --------------------------------------------------------------------------
 %NIX_BUILD_DIR%\TestRunner.exe
 
+IF %ERRORLEVEL% == 1 (EXIT /b)
+
 REM nix-mx requires nixversion file in ../nix/include/nix
 IF EXIST %NIX_ROOT%\build\include\nix\nixversion.hpp (
 	COPY %NIX_ROOT%\build\include\nix\nixversion.hpp %NIX_ROOT%\include\nix\