issue guard#533: subject.stop so thread cannot keep running and lead …

…to raise_expired_test_double_error

spec/lib/listen/adapter/linux_spec.rb

@@ -26,6 +26,10 @@
     # TODO: fix other adapters too!
     subject { described_class.new(config) }
 
+    after do
+      subject.stop
+    end
+
     describe 'watch events' do
       let(:directories) { [Pathname.pwd] }
       let(:adapter_options) { {} }
@@ -42,6 +46,10 @@
         allow(config).to receive(:silencer).and_return(silencer)
       end
 
+      after do
+        subject.stop
+      end
+
       it 'starts by calling watch with default events' do
         expect(fake_worker).to receive(:watch).with(*directories.map(&:to_s), *default_events)
         subject.start
@@ -55,6 +63,7 @@
       before do
         fake_worker = double(:fake_worker_for_inotify_limit_message)
         allow(fake_worker).to receive(:watch).and_raise(Errno::ENOSPC)
+        allow(fake_worker).to receive(:close)
 
         fake_notifier = double(:fake_notifier, new: fake_worker)
         stub_const('INotify::Notifier', fake_notifier)