summary_passes: use bold green for report headers

Author: blueyed

src/_pytest/terminal.py

@@ -806,7 +806,7 @@ def summary_passes(self):
                 for rep in reports:
                     if rep.sections:
                         msg = self._getfailureheadline(rep)
-                        self.write_sep("_", msg)
+                        self.write_sep("_", msg, green=True, bold=True)
                         self._outrep_summary(rep)
 
     def print_teardown_sections(self, rep):