Forgot to fix all the references

tests/AnyPackage.Homebrew.Unit.Tests.ps1

@@ -151,13 +151,13 @@ Describe "multi-source support" {
 		{Install-Package -Name $package -Source $altSource -ErrorAction Stop} | Should -Throw 'The specified source is not registered with the package provider.'
 	}
 	It 'registers an alternative package source' {
-		Register-PackageSource -Name $altSourceName -Location $altSourceLocation -Provider $providerShortName -PassThru | Where-Object {$_.Name -eq $altSourceName} | Should -Not -BeNullOrEmpty
+		Register-PackageSource -Name $altSource -Location $altSourceLocation -Provider $providerShortName -PassThru | Where-Object {$_.Name -eq $altSource} | Should -Not -BeNullOrEmpty
 	}
 	It 'searches for and installs the latest version of a package from an alternate source' {
-		Find-Package -Name $package -Source $altSourceName | Install-Package -PassThru | Where-Object {$_.Name -contains $package} | Should -Not -BeNullOrEmpty
+		Find-Package -Name $package -Source $altSource | Install-Package -PassThru | Where-Object {$_.Name -contains $package} | Should -Not -BeNullOrEmpty
 	}
 	It 'unregisters an alternative package source' {
-		Unregister-PackageSource -Name $altSourceName
-		Get-PackageSource | Where-Object {$_.Name -eq $altSourceName} | Should -BeNullOrEmpty
+		Unregister-PackageSource -Name $altSource
+		Get-PackageSource | Where-Object {$_.Name -eq $altSource} | Should -BeNullOrEmpty
 	}
 }