Trying to fix ci errors

Author: crmne

spec/support/generator_test_helpers.rb

@@ -29,7 +29,10 @@ def self.create_test_app(name, template:, template_path:)
     output, status = run_command(root_env, create_command, chdir: Dir.tmpdir)
     raise_command_error(name, create_command, status, output) unless status.success?
 
-    app_env = root_env.merge('BUNDLE_GEMFILE' => File.join(app_path, 'Gemfile'))
+    app_env = clean_bundle_env(
+      ruby_llm_path: ruby_llm_path,
+      bundle_gemfile: File.join(app_path, 'Gemfile')
+    )
 
     install_command = ['bundle', 'install', '--quiet']
     output, status = run_command(app_env, install_command, chdir: app_path)
@@ -45,6 +48,22 @@ def self.run_command(env, command, chdir:)
     ["#{stdout}#{stderr}", process_status]
   end
 
+  def self.clean_bundle_env(ruby_llm_path:, bundle_gemfile:)
+    env = {
+      'RUBYLLM_PATH' => ruby_llm_path,
+      'BUNDLE_GEMFILE' => bundle_gemfile
+    }
+
+    ENV.each_key do |key|
+      next unless key.start_with?('BUNDLE_')
+      next if key == 'BUNDLE_GEMFILE'
+
+      env[key] = nil
+    end
+
+    env
+  end
+
   def self.raise_command_error(name, command, status, output)
     raise <<~ERROR
       Failed to create test app #{name}