Use File.read instead of cat

Author: jawshooah

spec/integration/resolving_cherry_pick_conflict_spec.rb

@@ -47,6 +47,6 @@
 
   it 'keeps the commit message from the cherry-picked commit' do
     subject
-    `cat .git/MERGE_MSG`.should include 'Add Branch 2 addition'
+    File.read(File.join('.git', 'MERGE_MSG')).should include 'Add Branch 2 addition'
   end
 end