tidy up cli arg creation

Author: joshedney

tools/fastlane-plugin/spec/bugsnag_upload_dsym_action_spec.rb

@@ -167,7 +167,7 @@ def run_with args
       allow(Fastlane::Actions::UploadSymbolsToBugsnagAction).to receive(:version_from_cli).and_return("1.0.0")
       allow(Fastlane::Actions::UploadSymbolsToBugsnagAction).to receive(:bundled_bugsnag_cli_version).and_return(bundled_bugsnag_cli_version)
 
-      expect(Fastlane::UI).to receive(:warning).with("The installed bugsnag-cli at /Users/runner/work/bugsnag-dsym-upload/bugsnag-dsym-upload/tools/fastlane-plugin/spec/fixtures/dummy_bugsnag_cli.sh is outdated (1.0.0). The current bundled version is: #{bundled_bugsnag_cli_version}. It is recommended that you either update your installed version or use the bundled version.")
+      expect(Fastlane::UI).to receive(:warning).with("The installed bugsnag-cli at #{cli_path} is outdated (1.0.0). The current bundled version is: #{bundled_bugsnag_cli_version}. It is recommended that you either update your installed version or use the bundled version.")
       expect(Kernel).to receive(:system).with("#{cli_path} upload dsym --project-root #{Dir::pwd} \"#{FIXTURE_PATH}\"").and_return(true)
 
       run_with({dsym_path: FIXTURE_PATH, bugsnag_cli_path: cli_path})