1 files changed, 3 insertions, 2 deletions
diff --git a/t/heartbeat-timeout.ru b/t/heartbeat-timeout.ru
index d9904e8..ccc6a8e 100644
--- a/t/heartbeat-timeout.ru
+++ b/t/heartbeat-timeout.ru
@@ -1,5 +1,6 @@
+# frozen_string_literal: false
  use Rack::ContentLength
-headers = { 'Content-Type' => 'text/plain' }
+headers = { 'content-type' => 'text/plain' }
  run lambda { |env|
    case env['PATH_INFO']
    when "/block-forever"
@@ -7,6 +8,6 @@ run lambda { |env|
      sleep # in case STOP signal is not received in time
      [ 500, headers, [ "Should never get here\n" ] ]
    else
-    [ 200, headers, [ "#$$\n" ] ]
+    [ 200, headers, [ "#$$" ] ]
    end
  }