Enable phpdbg tests on AppVeyor

Author: cmb69

appveyor/test_task.bat

@@ -91,6 +91,10 @@ if not exist "%PHP_BUILD_CACHE_ENCHANT_DICT_DIR%\en_US.aff" (
 mkdir %USERPROFILE%\enchant\myspell
 copy %PHP_BUILD_CACHE_ENCHANT_DICT_DIR%\* %USERPROFILE%\enchant\myspell
 
+set TEST_PHPDBG_EXECUTABLE=%PHP_BUILD_OBJ_DIR%\Release
+if "%THREAD_SAFE%" equ "1" set TEST_PHPDBG_EXECUTABLE=%TEST_PHPDBG_EXECUTABLE%_TS
+set TEST_PHPDBG_EXECUTABLE=%TEST_PHPDBG_EXECUTABLE%\phpdbg.exe
+
 mkdir c:\tests_tmp
 
 set TEST_PHP_JUNIT=c:\junit.out.xml