diff --git a/spec/segment/analytics/message_batch_spec.rb b/spec/segment/analytics/message_batch_spec.rb
index 5f7b2fd..8dd5370 100644
--- a/spec/segment/analytics/message_batch_spec.rb
+++ b/spec/segment/analytics/message_batch_spec.rb
@@ -1,38 +1,43 @@
 # frozen_string_literal: true
 
-require 'spec_helper'
+require "spec_helper"
 
 module Segment
   class Analytics
     describe MessageBatch do
       subject { described_class.new(100) }
 
-      describe '#<<' do
-        it 'appends messages' do
-          subject << { 'a' => 'b' }
+      describe "#<<" do
+        it "appends messages" do
+          expect(subject.length).to eq(0)
+
+          subject << {"a" => "b"}
+
           expect(subject.length).to eq(1)
         end
 
-        it 'rejects messages that exceed the maximum allowed size' do
+        it "rejects messages that exceed the maximum allowed size" do
           max_bytes = Defaults::Message::MAX_BYTES
-          message = { 'a' => 'b' * max_bytes }
+          message = {"a" => "b" * max_bytes}
+
+          expect(subject.length).to eq(0)
 
-          subject << message
-          expect(subject.length).to eq(0).and_raise(JSONGenerationError.new("Message Exceeded Maximum Allowed Size"))
+          expect { subject << message }.to raise_error(MessageBatch::JSONGenerationError)
+            .with_message("Message Exceeded Maximum Allowed Size")
         end
       end
 
-      describe '#full?' do
-        it 'returns true once item count is exceeded' do
-          99.times { subject << { a: 'b' } }
+      describe "#full?" do
+        it "returns true once item count is exceeded" do
+          99.times { subject << {a: "b"} }
           expect(subject.full?).to be(false)
 
-          subject << { a: 'b' }
+          subject << {a: "b"}
           expect(subject.full?).to be(true)
         end
 
-        it 'returns true once max size is almost exceeded' do
-          message = { a: 'b' * (Defaults::Message::MAX_BYTES - 10) }
+        it "returns true once max size is almost exceeded" do
+          message = {a: "b" * (Defaults::Message::MAX_BYTES - 10)}
 
           message_size = message.to_json.bytesize