Enable two previously disabled Get-Process tests (#15845)

test/powershell/Modules/Microsoft.PowerShell.Management/Get-Process.Tests.ps1

@@ -70,8 +70,7 @@ Describe "Get-Process" -Tags "CI" {
         { (Get-Process -Id $idleProcessPid).Name } | Should -Not -Throw
     }
 
-    It "Test for process property = Name" -Pending {
-        # Bug in .Net 5.0 Preview4. See https://github.com/PowerShell/PowerShell/pull/12894
+    It "Test for process property = Name" {
         (Get-Process -Id $PID).Name | Should -BeExactly "pwsh"
     }
 
@@ -129,8 +128,7 @@ Describe "Get-Process Formatting" -Tags "Feature" {
 }
 
 Describe "Process Parent property" -Tags "CI" {
-    It "Has Parent process property" -Pending {
-        # Bug in .Net 5.0 Preview4. See https://github.com/PowerShell/PowerShell/pull/12894
+    It "Has Parent process property" {
         $powershellexe = (Get-Process -Id $PID).mainmodule.filename
         & $powershellexe -noprofile -command '(Get-Process -Id $PID).Parent' | Should -Not -BeNullOrEmpty
     }