Add helper method

__tests__/Read-OleDbDataTests/Read-XlsxUsingOleDb.Tests..ps1

@@ -0,0 +1,20 @@
+#Requires -Modules Pester
+$scriptPath = $PSScriptRoot
+Import-Module $scriptPath\..\..\ImportExcel.psd1 -Force
+$tfp = "$scriptPath\Read-OleDbData.xlsx"
+$ACEnotWorking = $false
+try {
+    $Results = Read-XlsxUsingOleDb $tfp "select 1"      
+}
+catch {
+    $ACEnotWorking = $true
+}
+Describe "Read-XlsxUsingOleDb" -Tag "Read-XlsxUsingOleDb" {
+    $PSDefaultParameterValues = @{ 'It:Skip' = $ACEnotWorking }
+    Context "Sheet1`$A1" {
+        It "Should return 1 result with a value of 1" {
+            $Results = Read-XlsxUsingOleDb $tfp "select ROUND(F1) as [A1] from [sheet1`$A1:A1]"
+            @($Results).length + $Results.A1 | Should -Be 2
+        }
+    }
+}