Integration tests: variable scope fixed to satisfy AppVeyor tests

Author: nyanhp

Tests/Integration/MSFT_xScheduledTask.Integration.Tests.ps1

@@ -12,8 +12,8 @@ if ( (-not (Test-Path -Path (Join-Path -Path $script:moduleRoot -ChildPath 'DSCR
 
 Import-Module -Name (Join-Path -Path $script:moduleRoot -ChildPath (Join-Path -Path 'DSCResource.Tests' -ChildPath 'TestHelper.psm1')) -Force
 $TestEnvironment = Initialize-TestEnvironment `
-    -DSCModuleName $script:DSCModuleName `
-    -DSCResourceName $script:DSCResourceName `
+    -DSCModuleName $Global:DSCModuleName `
+    -DSCResourceName $Global:DSCResourceName `
     -TestType Integration
 
 #endregion