Repair failing tests after json update

Either json 2.6.1 or File.write seems to append an additional \n
at the end of the parsed results.json. Thus, both assertion
argument need to be treated the same now.

Author: katrinleinweber

test/test_runner_test.rb

@@ -108,7 +108,7 @@ def test_syntax_errors_in_tests
         ,'This is meant to be a syntax...
         ^
       SYNTAX_ERRORS
-      assert_equal expected.strip, actual['message']
+      assert_equal expected, actual['message']
 
       assert_test_run_exited_cleanly
     end
@@ -124,7 +124,7 @@ def test_syntax_errors_in_code
         end,A stray comma
            ^
       SYNTAX_ERRORS
-      assert_equal expected.strip, actual['message']
+      assert_equal expected, actual['message']
 
       assert_test_run_exited_cleanly
     end