Fix failing tests

Author: TinaMor

Tests/ContainerNetworkTools.Tests.ps1

@@ -104,9 +104,8 @@ Describe "ContainerNetworkTools.psm1" {
             }
             Should -Invoke Install-RequiredFeature -ModuleName 'ContainerNetworkTools' -ParameterFilter {
                 $Feature -eq "WinCNIPlugin" -and
-                $InstallPath -eq "$Env:ProgramFiles\Containerd\cni\bin" -and
-                $SourceFile -eq "$Script:TestDownloadPath" -and
-                $EnvPath -eq $null -and
+                $InstallPath -eq 'TestDrive:\WinCNI\bin' -and
+                $SourceFile -eq $MockDownloadFilePath -and
                 $cleanup -eq $true -and
                 $UpdateEnvPath -eq $false
             }

containers-toolkit/Private/CommonToolUtilities.psm1

@@ -689,6 +689,8 @@ function Install-RequiredFeature {
         [string[]] $SourceFile,
         [string] $EnvPath,
         [boolean] $cleanup,
+
+        # Use by WinCNI plugin to avoid updating the environment path
         [boolean] $UpdateEnvPath = $true
     )
     # Create the directory to untar to

containers-toolkit/Public/ContainerNetworkTools.psm1

@@ -49,7 +49,7 @@ function Install-WinCNIPlugin {
         }
         $WinCNIPath = $WinCNIPath -replace '(\\bin)$', ''
 
-        # Check if Containerd is alread installed
+        # Check if WinCNI plugins are installed
         $isInstalled = -not (Test-EmptyDirectory -Path $WinCNIPath)
 
         $plugin = "Windows CNI plugins"