Use correct casing for cmdlet name and cmdlet parameter name in *.ps1 files (#12584)

test/nanoserver/nanoserver.tests.ps1

@@ -4,14 +4,14 @@
 Describe "Verify PowerShell Runs" {
     BeforeAll{
         $options = (Get-PSOptions)
-        $path = split-path -path $options.Output
+        $path = Split-Path -Path $options.Output
         Write-Verbose "Path: '$path'" -Verbose
-        $rootPath = split-Path -path $path
+        $rootPath = Split-Path -Path $path
         $mount = 'C:\powershell'
         $container = 'mcr.microsoft.com/powershell:nanoserver-1803'
     }
 
-    it "Verify Version " {
+    It "Verify Version " {
         $version = docker run --rm -v "${rootPath}:${mount}" ${container} "${mount}\publish\pwsh" -NoLogo -NoProfile -Command '$PSVersionTable.PSVersion.ToString()'
         $version | Should -Match '^7\.'
     }