Add tests for issue expath#46 / pr expath#48 for Windows (expath#54)

* Add test case for Windows batch script for issue expath#46 / pr expath#48
* Align batch script with shell script to mimic setup/teardown functions in batch script (82a3d49)
- Use the same output dir and file as the shell script for .gitignore to fully take effect on windows

test/run-xspec-tests.cmd

@@ -5,9 +5,6 @@ rem
 rem    DESCRIPTION:  This script is a Windows version of run-xspec-tests.sh
 rem                  See run-xspec-tests.sh for details
 rem
-rem         OUTPUT:  XSpec outputs are created in .\xspec_win\
-rem                  A log file is created at .\result_win.log
-rem
 rem   DEPENDENCIES:  This script does *not* need to be run from the current directory (i.e. the test directory)
 rem
 rem ============================================================================
@@ -28,15 +25,10 @@ rem Go to the directory where this script resides
 rem
 pushd "%~dp0"
 
-rem
-rem XSpec output directory
-rem
-set TEST_DIR=xspec_win
-
 rem
 rem Result log
 rem
-set RESULT_FILE=result_win.log
+set RESULT_FILE=result.log
 
 rem
 rem Run tests