convert newlines to conform with the rest of pytest

Author: tsvikas

src/pytest_cov/engine.py

@@ -163,7 +163,7 @@ def sep(self, stream, s, txt):
             # trailing space is not important at the end of the line.
             if len(line) + len(s.rstrip()) <= fullwidth:
                 line += s.rstrip()
-            line += '\n'
+            line += '\n\n'
             stream.write(line)
 
     @_ensure_topdir

src/pytest_cov/plugin.py

@@ -379,10 +379,9 @@ def pytest_terminal_summary(self, terminalreporter):
 
         report = self.cov_report.getvalue()
 
-        # Avoid undesirable new lines when output is disabled with "--cov-report=".
         if report:
             self.write_heading(terminalreporter)
-            terminalreporter.write('\n' + report + '\n')
+            terminalreporter.write(report)
 
         if self.options.cov_fail_under is not None and self.options.cov_fail_under > 0:
             self.write_heading(terminalreporter)