Added fix for specifying every option for reporting

The fix will add option 'a' to reporting which will ease task of
adding all options or reporting at once.

Signed-off-by: Abhijeet Kasurde <akasurde@redhat.com>

_pytest/terminal.py

@@ -64,8 +64,10 @@ def getreportopt(config):
     reportchars = config.option.reportchars
     if reportchars:
         for char in reportchars:
-            if char not in reportopts:
+            if char not in reportopts and char != 'a':
                 reportopts += char
+            elif char == 'a':
+                reportopts = 'fEsxXw'
     return reportopts
 
 def pytest_report_teststatus(report):