debug: errorlevel conditionals (#2285)

Wheels tests were failing because some python abrupt failures (or
windows access violations) would use an exit code that was both non-zero
and non-1.


This should capture everything that isn't an exit code of 0.

Author: jharlow-intel

conda-recipe/run_test.bat

@@ -32,10 +32,10 @@ if not defined PYTHON (
 
 
 "%PYTHON%" -c "import dpnp; print(dpnp.__version__)"
-if errorlevel 1 exit 1
+if %errorlevel% neq 0 exit 1
 
 "%PYTHON%" -m dpctl -f
-if errorlevel 1 exit 1
+if %errorlevel% neq 0 exit 1
 
 "%PYTHON%" -m pytest -ra --pyargs dpnp
-if errorlevel 1 exit 1
+if %errorlevel% neq 0 exit 1