Install BuildHelpers separately as we need to use -AllowClobber

Author: devblackops

build.ps1

@@ -15,8 +15,12 @@ Set-PSRepository -Name PSGallery -InstallationPolicy Trusted
 if (-not (Get-Module -Name PSDepend -ListAvailable)) {
     Install-module -Name PSDepend -Repository PSGallery
 }
-Import-Module -Name PSDepend -ErrorAction Stop
-Invoke-PSDepend -Path .\requirements.psd1 -Install -Import -Force > $null
+Import-Module -Name PSDepend
+Invoke-PSDepend -Path .\requirements.psd1 -Install -Import -Force
+if (-not (Get-Module -Name BuildHelpers -ListAvailable)) {
+    Install-Module -Name BuildHelpers -AllowClobber
+}
+Import-Module -Name BuildHelpers
 
 if ($PSBoundParameters.ContainsKey('help')) {
     Get-PSakeScriptTasks -buildFile "$PSScriptRoot\psake.ps1" |

requirements.psd1

@@ -2,7 +2,6 @@
     PSDependOptions = @{
         Target = 'CurrentUser'
     }
-    buildhelpers     = 'latest'
     psake            = 'latest'
     pester           = 'latest'
     psscriptanalyzer = 'latest'