remove spaces to pass a test.

23d7f4c5e1ce164e78d77de694dccc0c41f6de3d breaks a test which expect
to match error message. To avoid this failure, use #strip for expect
and actual results.

test/did_you_mean/test_verbose_formatter.rb

@@ -12,7 +12,7 @@ class VerboseFormatterTest < Test::Unit::TestCase
   def test_message
     @error = assert_raise(NoMethodError){ 1.zeor? }
 
-    assert_equal <<~MESSAGE.chomp, @error.message
+    assert_equal <<~MESSAGE.strip, @error.message.strip
       undefined method `zeor?' for 1:Integer
 
           Did you mean? zero?