Use absolute path intead of relative path when invoking
setup-runtime-dependencies.cmd, which is required for GCStress=0xC to
work.
REM === Resolve runtime dependences
REM ===
REM =========================================================================================
-call tests\setup-runtime-dependencies.cmd /arch %__BuildArch% /outputdir %__BinDir%
+call %__TestDir%\setup-runtime-dependencies.cmd /arch %__BuildArch% /outputdir %__BinDir%
REM =========================================================================================
REM ===