Test: adjust for devutils 2.0 compat

kares · kares · commit 98b2593cb269 · 2020-03-09T11:22:00.000+01:00
diff --git a/logstash-input-stdin.gemspec b/logstash-input-stdin.gemspec
@@ -29,4 +29,5 @@ Gem::Specification.new do |s|
   s.add_development_dependency "logstash-codec-json"
   s.add_development_dependency "logstash-codec-json_lines"
   s.add_development_dependency "logstash-devutils"
+  s.add_development_dependency "insist"
 end
diff --git a/spec/inputs/stdin_spec.rb b/spec/inputs/stdin_spec.rb
@@ -1,5 +1,6 @@
 # encoding: utf-8
 require "logstash/devutils/rspec/spec_helper"
+require "insist"
 require "socket"
 require "logstash/inputs/stdin"
 
