Add a file that contains helper functions for tests

Author: Kapil Borle

Tests/Rules/PSScriptAnalyzerTestHelper.psm1

@@ -0,0 +1,14 @@
+Function Get-ExtentText
+{
+	Param(
+	[Microsoft.Windows.PowerShell.ScriptAnalyzer.Generic.CorrectionExtent] $violation,
+	[string] $scriptPath
+	)
+	$scriptContent = Get-Content -Path $scriptPath
+	$start = [System.Management.Automation.Language.ScriptPosition]::new($scriptPath, $violation.StartLineNumber, $violation.StartColumnNumber, $scriptContent[$violation.StartLineNumber - 1])
+	$end = [System.Management.Automation.Language.ScriptPosition]::new($scriptPath, $violation.EndLineNumber, $violation.EndColumnNumber, $scriptContent[$violation.EndLineNumber - 1])	
+	$extent = [System.Management.Automation.Language.ScriptExtent]::new($start, $end)
+	return($extent.Text)
+}
+
+Export-ModuleMember -Function Get-ExtentText