Fix the Windows's bug with \r\n instead of \n

pylint/reporters/json_reporter.py

@@ -54,8 +54,9 @@ def display_messages(self, layout):
     def display_reports(self, layout):
         output = io.StringIO()
         TextWriter().format(layout, output)
-        score = output.getvalue().split("\n")[1]
-        self.messages.append({"score": score})
+        score = output.getvalue().split("Your")[1]
+        score = score.split(r"/10")[0]
+        self.messages.append({"score": "Your{}/10".format(score)})
 
     def _display(self, layout):
         """Do nothing."""

tests/unittest_reporters_json.py

@@ -20,7 +20,7 @@
 from pylint.reporters import JSONReporter
 from pylint.reporters.ureports.nodes import EvaluationSection
 
-expected_score_message = "Expected score message"
+expected_score_message = "Your code has been rated at 7.50/10"
 expected_result = [
     [
         ("column", 0),
@@ -63,7 +63,10 @@ def get_linter_result(score):
     linter.add_message("line-too-long", line=1, args=(1, 2))
     # we call those methods because we didn't actually run the checkers
     if score:
-        reporter.display_reports(EvaluationSection(expected_score_message))
+        generated_msg = "-------------------------------------\r\n{}\r\n".format(
+            expected_score_message
+        )
+        reporter.display_reports(EvaluationSection(generated_msg))
     reporter.display_messages(None)
     report_result = json.loads(output.getvalue())
     return report_result