Stop R process if AppDriver fails in `test-examples` #1115

All 153 tests pass, 571 skipped in 11s

1 files ± 0 70 suites ±0 11s ⏱️ - 1h 8m 26s
724 tests ± 0 153 ✅ - 461 571 💤 +461 0 ❌ ±0
864 runs - 1 120 289 ✅ - 1 470 575 💤 +350 0 ❌ ±0

Results for commit 3c2bee3. ± Comparison against earlier commit e60e5c8.