Used method from PR comments to find powershell

replaced dir with get-childitem
used appropriate path when importing pester
verified failure count was 0
split test case verification into individual it's so we get all the info.

test/powershell/SDK/CmdletExample.Tests.ps1

@@ -16,53 +16,73 @@ Describe 'SDK Send Greeting Sample Tests' -Tag CI {
         $testResultPath = Join-Path $TestDrive 'sendgreetingresults.xml'
         $sampleCopy = Join-Path $TestDrive 'sendgreeting'
         $fullSampleCopyPath = Join-Path $sampleCopy 'cmdlet-example'
+        $powershell = (Get-Process -id $PID).MainModule.FileName
         if(!(Test-Path $sampleCopy)) 
         {
             New-Item -ItemType Directory -Path $sampleCopy
         }
 
         Copy-Item -Recurse -Path $docLocation -Destination $sampleCopy -Force
-        dir -Recurse $sampleCopy | %{ Write-Verbose "sc: $($_.FullName)"}
+        Get-ChildItem -Recurse $sampleCopy | %{ Write-Verbose "sc: $($_.FullName)"}
          
-$pesterCommand = "Invoke-Pester $sampleCopy -PassThru"
+        $pesterCommand = "Invoke-Pester $sampleCopy -PassThru"
-if($global:__PesterTags)
+        if($global:__PesterTags)
-{
+        {
-    $pesterCommand += " -Tag $(@($global:__PesterTags) -join ',')"
+            $pesterCommand += " -Tag $(@($global:__PesterTags) -join ',')"
-}
+        }
 
-if($global:__PesterExcludeTags)
+        if($global:__PesterExcludeTags)
-{
+        {
-    $pesterCommand += " -ExcludeTag $(@($global:__PesterExcludeTags) -join ',')"
+            $pesterCommand += " -ExcludeTag $(@($global:__PesterExcludeTags) -join ',')"
-} 
+        } 
+
+        $importPesterCommand = 'Import-module Pester'
+        if($isCore)
+        {
+            $importPesterCommand = "Import-Module $(Join-Path -path $PSHOME -child '/Modules/Pester')"
+        }
  
         $command = @"
 Push-Location -Path $fullSampleCopyPath
-Import-module $(Join-path $env:PSModulePath pester)
+$importPesterCommand
 $pesterCommand | Export-Clixml -Path $testResultPath
 "@
 
-        Write-Verbose -Message "command: '$command'" -Verbose
+        Write-Verbose -Message "command: '$command'"
         $bytes = [System.Text.Encoding]::Unicode.GetBytes($command)
         $encodedCommand = [Convert]::ToBase64String($bytes)
-        &"$PSHOME/powershell" -encodedCommand $encodedCommand
+        &$powershell -encodedCommand $encodedCommand
         
         it "Should have test results file" {
             $testResultPath | should exist
             $script:results = Import-Clixml $testResultPath
         }
-        #$host.EnterNestedPrompt();
+
         it "Should have test results" {
             $script:results | should not be BeNullOrEmpty
             $script:results.TotalCount | should not BeNullOrEmpty
             $script:results.TestResult.Count | should not BeNullOrEmpty
         }
 
+        it "Should have no failures" {
+            $script:results.FailedCount | should be 0
+        }
+
         foreach($testResult in $script:results.TestResult){
-            it "Test $($testResult.Name) should not fail" {
+            Context "Test $($testResult.Name)" {
-                $testResult.FailureMessage + $testResult.StackTrace | should BeNullOrEmpty
+                it "should have no failure message" {
-                $testResult.ErrorRecord | should BeNullOrEmpty
+                    $testResult.FailureMessage | should BeNullOrEmpty
-                Write-Verbose "Result: $($testResult.Result)"
+                }
-                $testResult.Result | should not be Failed
+                it "should have no stack trace" {
+                    $testResult.StackTrace | should BeNullOrEmpty
+                }
+                it "should have no error record" {
+                    $testResult.ErrorRecord | should BeNullOrEmpty
+                }
+                it "should have not failed" {
+                    Write-Verbose "Result: $($testResult.Result)"
+                    $testResult.Result | should not be Failed
+                }
             }
         }