Rename assert_disconnect_result to cleanup_reader

Author: st0012

test/support/protocol_utils.rb

@@ -147,7 +147,7 @@ def req_terminate_debuggee
       case ENV['RUBY_DEBUG_TEST_UI']
       when 'vscode'
         send_dap_request 'terminate'
-        assert_disconnect_result
+        cleanup_reader
       when 'chrome'
         send_cdp_request 'Runtime.terminateExecution'
       end
@@ -310,10 +310,10 @@ def req_disconnect
         send_dap_request 'disconnect',
                       restart: false,
                       terminateDebuggee: false
-        assert_disconnect_result
+        cleanup_reader
       when 'chrome'
         @web_sock.send_close_connection
-        assert_disconnect_result
+        cleanup_reader
       end
     end
 
@@ -341,13 +341,13 @@ def req_set_breakpoints_on_dap
       }
     end
 
-    def assert_disconnect_result
+    def cleanup_reader
+      @reader_thread.raise Detach
+
       case ENV['RUBY_DEBUG_TEST_UI']
       when 'vscode'
-        @reader_thread.raise Detach
         @sock.close
       when 'chrome'
-        @reader_thread.raise Detach
         @web_sock.cleanup
       end
     end