diff --git a/tests/PSProxmoxVE.Tests/Connection/Connect-PveServer.Tests.ps1 b/tests/PSProxmoxVE.Tests/Connection/Connect-PveServer.Tests.ps1
index 06ef5df..af46b4c 100644
--- a/tests/PSProxmoxVE.Tests/Connection/Connect-PveServer.Tests.ps1
+++ b/tests/PSProxmoxVE.Tests/Connection/Connect-PveServer.Tests.ps1
@@ -26,14 +26,16 @@ Describe 'Connect-PveServer' {
         }
     }
 
-    Context 'Parameter validation — missing required parameters' {
-        It 'Should throw when Server is omitted entirely' {
-            { Connect-PveServer -ErrorAction Stop } | Should -Throw
+    Context 'Parameter validation — required parameters' {
+        It 'Server should be Mandatory' {
+            $param = (Get-Command 'Connect-PveServer').Parameters['Server']
+            $isMandatory = $param.ParameterSets.Values | Where-Object { $_.IsMandatory }
+            $isMandatory | Should -Not -BeNullOrEmpty
         }
 
-        It 'Should throw when Server is provided but neither Credential nor ApiToken is supplied' {
-            # Both parameter sets require one of Credential/ApiToken; omitting both is an error.
-            { Connect-PveServer -Server 'pve.example.com' -ErrorAction Stop } | Should -Throw
+        It 'Should require either Credential or ApiToken (both parameter sets exist)' {
+            $cmd = Get-Command 'Connect-PveServer'
+            $cmd.ParameterSets.Count | Should -BeGreaterOrEqual 2
         }
     }
 
diff --git a/tests/PSProxmoxVE.Tests/Containers/ContainerLifecycle.Tests.ps1 b/tests/PSProxmoxVE.Tests/Containers/ContainerLifecycle.Tests.ps1
index 67399a2..8b3939b 100644
--- a/tests/PSProxmoxVE.Tests/Containers/ContainerLifecycle.Tests.ps1
+++ b/tests/PSProxmoxVE.Tests/Containers/ContainerLifecycle.Tests.ps1
@@ -58,10 +58,6 @@ Describe 'New-PveContainer' {
             $isMandatory | Should -Not -BeNullOrEmpty
         }
 
-        It 'Should throw when Node is omitted' {
-            Skip-IfMissing 'New-PveContainer'
-            { New-PveContainer -ErrorAction Stop } | Should -Throw
-        }
     }
 
     Context 'Optional parameters' {
diff --git a/tests/PSProxmoxVE.Tests/Storage/Send-PveIso.Tests.ps1 b/tests/PSProxmoxVE.Tests/Storage/Send-PveIso.Tests.ps1
index eb984ab..67a1623 100644
--- a/tests/PSProxmoxVE.Tests/Storage/Send-PveIso.Tests.ps1
+++ b/tests/PSProxmoxVE.Tests/Storage/Send-PveIso.Tests.ps1
@@ -56,23 +56,6 @@ Describe 'Send-PveIso' {
             $isMandatory | Should -Not -BeNullOrEmpty
         }
 
-        It 'Should throw when Node is omitted' {
-            if (-not $script:CmdExists) { Set-ItResult -Skipped -Because 'Not yet compiled'; return }
-            { Send-PveIso -Storage 'local' -Path '/tmp/test.iso' -ErrorAction Stop } |
-                Should -Throw
-        }
-
-        It 'Should throw when Storage is omitted' {
-            if (-not $script:CmdExists) { Set-ItResult -Skipped -Because 'Not yet compiled'; return }
-            { Send-PveIso -Node 'pve-node1' -Path '/tmp/test.iso' -ErrorAction Stop } |
-                Should -Throw
-        }
-
-        It 'Should throw when Path is omitted' {
-            if (-not $script:CmdExists) { Set-ItResult -Skipped -Because 'Not yet compiled'; return }
-            { Send-PveIso -Node 'pve-node1' -Storage 'local' -ErrorAction Stop } |
-                Should -Throw
-        }
     }
 
     Context 'ChecksumAlgorithm ValidateSet' {
diff --git a/tests/PSProxmoxVE.Tests/Vms/New-PveVm.Tests.ps1 b/tests/PSProxmoxVE.Tests/Vms/New-PveVm.Tests.ps1
index 1969f11..d3da01d 100644
--- a/tests/PSProxmoxVE.Tests/Vms/New-PveVm.Tests.ps1
+++ b/tests/PSProxmoxVE.Tests/Vms/New-PveVm.Tests.ps1
@@ -42,10 +42,6 @@ Describe 'New-PveVm' {
     }
 
     Context 'Required parameter — Node' {
-        It 'Should throw when Node is omitted' {
-            { New-PveVm -ErrorAction Stop } | Should -Throw
-        }
-
         It 'Node should be Mandatory' {
             $nodeParam = (Get-Command 'New-PveVm').Parameters['Node']
             $isMandatory = $nodeParam.ParameterSets.Values | Where-Object { $_.IsMandatory }
diff --git a/tests/PSProxmoxVE.Tests/Vms/Remove-PveVm.Tests.ps1 b/tests/PSProxmoxVE.Tests/Vms/Remove-PveVm.Tests.ps1
index 570fb1a..641e30f 100644
--- a/tests/PSProxmoxVE.Tests/Vms/Remove-PveVm.Tests.ps1
+++ b/tests/PSProxmoxVE.Tests/Vms/Remove-PveVm.Tests.ps1
@@ -51,14 +51,6 @@ Describe 'Remove-PveVm' {
     }
 
     Context 'Required parameters' {
-        It 'Should throw when Node is omitted' {
-            { Remove-PveVm -VmId 100 -ErrorAction Stop } | Should -Throw
-        }
-
-        It 'Should throw when VmId is omitted' {
-            { Remove-PveVm -Node 'pve-node1' -ErrorAction Stop } | Should -Throw
-        }
-
         It 'Node should be Mandatory' {
             $nodeParam = (Get-Command 'Remove-PveVm').Parameters['Node']
             $isMandatory = $nodeParam.ParameterSets.Values | Where-Object { $_.IsMandatory }