t/tester.t verbose failure

output.txt

$ prove -e perl6 -lrv t/tester.t 
t/tester.t .. 
1..2
t/win.t .. ok
All tests successful.
Files=1, Tests=1,  0 wallclock secs ( 0.02 usr  0.00 sys +  0.14 cusr  0.02 csys =  0.18 CPU)
Result: PASS
ok 1 - what should pass, passes

# Failed test at t/fail.t line 3
# Looks like you failed 1 test of 1
t/fail.t .. 
Dubious, test returned 1 (wstat 256, 0x100)
Failed 1/1 subtests 

Test Summary Report
-------------------
t/fail.t (Wstat: 256 Tests: 1 Failed: 1)
  Failed test:  ok 2 - what should fail, fails
Failed 1/2 subtests 

Test Summary Report
-------------------
t/tester.t (Wstat: 0 Tests: 1 Failed: 0)
  Parse errors: Bad plan.  You planned 2 tests but ran 1.
Files=1, Tests=1,  1 wallclock secs ( 0.02 usr  0.00 sys +  1.60 cusr  0.12 csys =  1.74 CPU)
Result: FAIL