Return nil from get_asana_user_id_for_github_handle when not found

Author: ayoy

lib/fastlane/plugin/ddg_apple_automation/helper/asana_helper.rb

@@ -118,6 +118,7 @@ def self.get_asana_user_id_for_github_handle(github_handle)
 
         if asana_user_id.nil? || asana_user_id.to_s.empty?
           UI.message("Asana User ID not found for GitHub handle: #{github_handle}")
+          nil
         else
           Helper::GitHubActionsHelper.set_output("asana_user_id", asana_user_id)
           asana_user_id

lib/fastlane/plugin/ddg_apple_automation/version.rb

@@ -1,5 +1,5 @@
 module Fastlane
   module DdgAppleAutomation
-    VERSION = "3.1.4"
+    VERSION = "3.1.5"
   end
 end

spec/asana_helper_spec.rb

@@ -183,17 +183,17 @@ def get_release_automation_subtask_id(task_url)
 
     it "shows warning when handle does not exist" do
       expect(Fastlane::UI).to receive(:message).with("Asana User ID not found for GitHub handle: chicken")
-      get_asana_user_id_for_github_handle("chicken")
+      expect(get_asana_user_id_for_github_handle("chicken")).to eq(nil)
     end
 
     it "shows warning when handle is nil" do
       expect(Fastlane::UI).to receive(:message).with("Asana User ID not found for GitHub handle: pigeon")
-      get_asana_user_id_for_github_handle("pigeon")
+      expect(get_asana_user_id_for_github_handle("pigeon")).to eq(nil)
     end
 
     it "shows warning when handle is empty" do
       expect(Fastlane::UI).to receive(:message).with("Asana User ID not found for GitHub handle: hawk")
-      get_asana_user_id_for_github_handle("hawk")
+      expect(get_asana_user_id_for_github_handle("hawk")).to eq(nil)
     end
 
     def get_asana_user_id_for_github_handle(github_handle)