spec/multi_logger_spec.rb in logstash-logger-0.15.0 vs spec/multi_logger_spec.rb in logstash-logger-0.15.1

@@ -16,11 +16,11 @@
     expect(subject.loggers[0].device).to be_a LogStashLogger::Device::Stdout
     expect(subject.loggers[1].device).to be_a LogStashLogger::Device::IO
   end
 
   it "allows a different formatter for each logger" do
-    expect(subject.loggers[0].formatter).to be_a ::Logger::Formatter
-    expect(subject.loggers[1].formatter).to be_a LogStashLogger::Formatter::JsonLines
+    expect(subject.loggers[0].formatter.class).to eq ::Logger::Formatter
+    expect(subject.loggers[1].formatter.class).to eq LogStashLogger::Formatter::JsonLines
   end
 
   it "logs to all loggers" do
     subject.loggers.each do |logger|
       expect(logger).to receive(:info).with("test")