Added test to validate that fields are getting populated

src/pester-tests/Get-ChildItem.Tests.ps1

@@ -12,4 +12,14 @@
     It "Should be able to use the ls alias" {
         $(ls .).Name.Length | Should Be $(Get-ChildItem .).Name.Length
     }
+
+    It "Should have a the proper fields and be populated" {
+        $var = Get-Childitem .
+
+        $var.Name.Length   | Should BeGreaterThan 0
+        $var.Mode.Length   | Should BeGreaterThan 0
+        $var.LastWriteTime | Should BeGreaterThan 0
+        $var.Length.Length | Should BeGreaterThan 0
+
+    }
 }