Update dsc/tests/dsc_discovery.tests.ps1

Co-authored-by: Tess Gauthier <tgauth@bu.edu>

Author: SteveL-MSFT

dsc/tests/dsc_discovery.tests.ps1

@@ -168,7 +168,7 @@ Describe 'tests for resource discovery' {
 
         $out = dsc resource get -r abc/def 2>$null
         $LASTEXITCODE | Should -Be 7
-        $out = dsc resource get --all -r abc/def >$null
+        $out = dsc resource get --all -r abc/def 2>$null
         $LASTEXITCODE | Should -Be 7
         $out = 'abc' | dsc resource set -r abc/def -f - 2>$null
         $LASTEXITCODE | Should -Be 7