Update Tests to include set counts

Tests/Public/Invoke-ZertoEvacuateVra.Tests.ps1

@@ -5,8 +5,8 @@ $global:function = ((Split-Path -leaf $MyInvocation.MyCommand.Path).Split('.'))[
 Describe $global:function -Tag 'Unit', 'Source', 'Built' {
 
     Context "$global:function::Parameter Unit Tests" {
-        it "$global:function should have exactly 16 parameters defined" {
-            (get-command $global:function).Parameters.Count | Should -Be 16
+        It "$global:function should have exactly 16 parameters defined" {
+            (Get-Command $global:function).Parameters.Count | Should -Be 16
         }
 
         $ParameterTestCases = @(
@@ -41,6 +41,7 @@ Describe $global:function -Tag 'Unit', 'Source', 'Built' {
             foreach ($Set in $ParameterSet) {
                 $commandParameterSets.ContainsKey($Set) | Should -BeTrue
             }
+            $commandParameterSets.Count | Should -Be $ParameterSet.Count
         }
     }