Made formatting more consistent.

ruby/tests/basic.rb

@@ -933,8 +933,8 @@ module BasicTest
         :map_string_msg => {"a" => TestMessage2.new(:foo => 1),
                             "b" => TestMessage2.new(:foo => 2)})
       expected_result = {
-        :map_string_int32=>{"a"=>1, "b"=>2},
+        :map_string_int32 => {"a" => 1, "b" => 2},
-        :map_string_msg=>{"a"=>{:foo=>1}, "b"=>{:foo=>2}}
+        :map_string_msg => {"a" => {:foo => 1}, "b" => {:foo => 2}}
       }
       assert_equal expected_result, m.to_h
     end