Remove requires, formatting updated

__tests__/Get-ExcelColumnName.Test.ps1

@@ -1,6 +1,3 @@
-#Requires -Modules Pester
-#Import-Module $PSScriptRoot\..\ImportExcel.psd1 -Force
-
 $map = @{
     1024  = 'AMJ'
     2048  = 'BZT'
@@ -26,7 +23,7 @@ $map = @{
 (Get-ExcelColumnName 30).columnName | Should be 'AD'
 (Get-ExcelColumnName 48).columnName | Should be 'AV'
 
-1..16 | % {
+1..16 | ForEach-Object {
     $number = $_ * 1024
     (Get-ExcelColumnName $number).columnName | Should be $map.$number
 }