Correct PSProvideDefaultParameterValue NoViolations test script

Author: GoodOlClint

Tests/Rules/ProvideDefaultParameterValueNoViolations.ps1

@@ -1,8 +1,10 @@
 function GoodFunc
 {
     param(
-        [parmaeter(mandatory=$false)]
-        [string]$Param1=$null
+        [Parameter(Mandatory=$false)]
+        [ValidateNotNullOrEmpty()]    
+        [string]
+        $Param1=$null
     )
     $Param1
 }