diff --git a/.gitignore b/.gitignore
index 8e7167a..bfbe4ca 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,7 @@ Gemfile.lock
 .bundle
 vendor
 lib/jars
+.ci
+.gradle
+.idea
+build
\ No newline at end of file
diff --git a/spec/helpers/spec_helper.rb b/spec/helpers/spec_helper.rb
index 095b327..c2959b5 100644
--- a/spec/helpers/spec_helper.rb
+++ b/spec/helpers/spec_helper.rb
@@ -51,7 +51,24 @@ def clear
     end
   end
 
+  class NullObject
+    def respond_to_missing?(method_name, include_private = false)
+      true
+    end
+    def method_missing(method_name, *args, **kwargs, &block)
+      nil
+    end
+  end
+
+  module MockLoggable
+    def self.included(base)
+      mock_logger = NullObject.new
+      base.define_method(:logger) { mock_logger }
+    end
+  end
+
   class CodecTracer < TracerBase
+    include MockLoggable
     def decode_accept(ctx, data, listener)
       @tracer.push [:decode_accept, [ctx, data]]
       listener.process(ctx, {"message" => data})