Fix multiple winget entry in json file (#405)

* Update Branch in script

* add logic to split ; delimiter

* Update Branch in script

* update tests

* Update Branch in script

* Update winutil.ps1

* Update Branch in script

* Update winutil.ps1

* Update Branch in script

Co-authored-by: DeveloperDurp <DeveloperDurp@users.noreply.github.com>
Co-authored-by: Chris Titus <contact@christitus.com>
Co-authored-by: ChrisTitusTech <ChrisTitusTech@users.noreply.github.com>

pester/winutil.Tests.ps1

@@ -193,8 +193,26 @@ Describe "GUI Functions" {
     It "Get-CheckBoxes Install should return data" {
         . .\pester.ps1 
 
-        $WPFInstallvc2015_32.ischecked = $true
-        (Get-CheckBoxes -Group WPFInstall) | should -Not -BeNullOrEmpty
-        $WPFInstallvc2015_32.ischecked | should -be $false
+        $TestCheckBoxes = @(
+            "WPFInstallvc2015_32"
+            "WPFInstallvscode"
+            "WPFInstallgit"
+        )
+        
+        $OutputResult = New-Object System.Collections.Generic.List[System.Object]
+        $TestCheckBoxes | ForEach-Object {
+
+            $global:configs.applications.Install.$psitem.winget -split ";" | ForEach-Object {
+                $OutputResult.Add($psitem)
+            }
+        }
+        $OutputResult = Sort-Object -InputObject $OutputResult
+
+        $TestCheckBoxes | ForEach-Object {(Get-Variable $PSItem).value.ischecked = $true}
+        $Output = Get-CheckBoxes -Group WPFInstall | Sort-Object
+        $Output | should -Not -BeNullOrEmpty -Because "Output did not containe applications to install"
+        $Output | Should -Not -Be $OutputResult -Because "Output contains duplicate values"
+        $Output | Should -Be $($OutputResult | Select-Object -Unique | Sort-Object) -Because "Output doesn't match"
+        $TestCheckBoxes | ForEach-Object {(Get-Variable $PSItem).value.ischecked | should -be $false}
     }
 }