bug: empty rows

[butuzov]

If we generate cover report

 set -o pipefail && go test -test.fullpath=true -v -cover  -covermode=atomic -coverprofile=coverage.out  ./... -json  > test.json

It can show up with some erros...

 > tparse -progress -file=tests.json -all
[PASS]       0.00s      github.com/butuzov/gaps/internal/parser
[PASS]       0.16s      github.com/butuzov/gaps
[PASS]       0.16s      github.com/butuzov/gaps/internal/cmd
[PASS]       0.16s      github.com/butuzov/gaps/internal/app
╭────────┬─────────┬──────────────────────────────────┬─────────────────────────────────────────╮
│ Status │ Elapsed │               Test               │                 Package                 │
├────────┼─────────┼──────────────────────────────────┼─────────────────────────────────────────┤
│        │         │                                  │                                         │
│        │         │                                  │                                         │
│        │         │                                  │                                         │
│  PASS  │  0.00   │ TestLines                        │ github.com/butuzov/gaps/internal/parser │
│  PASS  │  0.00   │ TestParser                       │ github.com/butuzov/gaps/internal/parser │
│  PASS  │  0.00   │ TestLines/test_re/simple         │ github.com/butuzov/gaps/internal/parser │
│  PASS  │  0.00   │ TestLines/test_sm/simple         │ github.com/butuzov/gaps/internal/parser │
│  PASS  │  0.00   │ TestLines/current/simple         │ github.com/butuzov/gaps/internal/parser │
│  PASS  │  0.00   │ TestLines/test_re/bigger_numbers │ github.com/butuzov/gaps/internal/parser │
│  PASS  │  0.00   │ TestLines/test_sm/bigger_numbers │ github.com/butuzov/gaps/internal/parser │
│  PASS  │  0.00   │ TestLines/current/bigger_numbers │ github.com/butuzov/gaps/internal/parser │
╰────────┴─────────┴──────────────────────────────────┴─────────────────────────────────────────╯
╭────────┬──────────┬─────────────────────────────────────────┬───────┬──────┬──────┬──────╮
│ Status │ Elapsed  │                 Package                 │ Cover │ Pass │ Fail │ Skip │
├────────┼──────────┼─────────────────────────────────────────┼───────┼──────┼──────┼──────┤
│  PASS  │ (cached) │ github.com/butuzov/gaps/internal/parser │ 76.8% │  8   │  0   │  0   │
╰────────┴──────────┴─────────────────────────────────────────┴───────┴──────┴──────┴──────╯

Thank you for wonderful tools, much appreciate them.