Enable test for Invoke-DbaDbMirroring (#9503)

Author: andreasjordan

tests/Invoke-DbaDbMirroring.Tests.ps1

@@ -23,13 +23,20 @@ Describe "$commandname Integration Tests" -Tag "IntegrationTests" {
         Remove-DbaDatabase -SqlInstance $script:instance2 -Database $db1 -Confirm:$false
         $null = Get-DbaDatabase -SqlInstance $script:instance2 -Database $db1 | Remove-DbaDatabase -Confirm:$false
         $null = $server.Query("CREATE DATABASE $db1")
+
+        Get-DbaEndpoint -SqlInstance $script:instance2 -Type DatabaseMirroring | Remove-DbaEndpoint -Confirm:$false
+        New-DbaEndpoint -SqlInstance $script:instance2 -Name dbatoolsci_MirroringEndpoint -Type DatabaseMirroring -Port 5022 -Owner sa
+        Get-DbaEndpoint -SqlInstance $script:instance3 -Type DatabaseMirroring | Remove-DbaEndpoint -Confirm:$false
+        New-DbaEndpoint -SqlInstance $script:instance3 -Name dbatoolsci_MirroringEndpoint -Type DatabaseMirroring -Port 5023 -Owner sa
     }
     AfterAll {
+        $null = Remove-DbaDbMirror -SqlInstance $script:instance2, $script:instance3 -Database $db1 -Confirm:$false
         $null = Remove-DbaDatabase -Confirm:$false -SqlInstance $script:instance2, $script:instance3 -Database $db1 -ErrorAction SilentlyContinue
     }
 
     It "returns success" {
-        $results = Invoke-DbaDbMirroring -Primary $script:instance2 -Mirror $script:instance3 -Database $db1 -Confirm:$false -Force -SharedPath C:\temp
+        $results = Invoke-DbaDbMirroring -Primary $script:instance2 -Mirror $script:instance3 -Database $db1 -Confirm:$false -Force -SharedPath C:\temp -WarningVariable warn
+        $warn | Should -BeNullOrEmpty
         $results.Status | Should -Be 'Success'
     }
 }

tests/pester.groups.ps1

@@ -34,9 +34,6 @@ $TestsRunGroups = @{
         'Invoke-DbaBalanceDataFiles',
         'Invoke-DbaWhoisActive',  # Works locally aganint a SQL Server 2022 instance without problems.
         'Install-DbaDarlingData',
-        # impossible to do within one server
-        # "the partner server name must be distinct"
-        'Invoke-DbaDbMirroring',
         # previous tests that were failing on older versions too
         'Remove-DbaAvailabilityGroup',
         'Read-DbaAuditFile',