Fail with error on tests

tests/run_tests.bat

@@ -13,6 +13,8 @@ del /Q CTestResults.xml
 REM Run the tests
 ctest -D ExperimentalTest -C Release --no-compress-output
 
+IF %errorlevel% NEQ 0 exit /b %errorlevel%
+
 REM Call head on the TAG to get the current folder where the test results are
 FOR /F "tokens=1 delims= " %%i IN ('tests\head.bat 1 Testing\TAG') DO @set result=%%i