add: Get-CISSpoOutput function and updated respective tests

source/Private/Get-UrlLine.ps1

@@ -0,0 +1,32 @@
+<#
+    .SYNOPSIS
+        This is a sample Private function only visible within the module.
+
+    .DESCRIPTION
+        This sample function is not exported to the module and only return the data passed as parameter.
+
+    .EXAMPLE
+        $null = Get-UrlLine -PrivateData 'NOTHING TO SEE HERE'
+
+    .PARAMETER PrivateData
+        The PrivateData parameter is what will be returned without transformation.
+#>
+function Get-UrlLine {
+    [cmdletBinding()]
+    [OutputType([string])]
+        param (
+            [Parameter(Mandatory=$true)]
+            [string]$Output
+        )
+        # Split the output into lines
+        $Lines = $Output -split "`n"
+        # Iterate over each line
+        foreach ($Line in $Lines) {
+            # If the line starts with 'https', return it
+            if ($Line.StartsWith('https')) {
+                return $Line.Trim()
+            }
+        }
+        # If no line starts with 'https', return an empty string
+        return $null
+    }