[Core] Enable concurrent connections between nodes #483

All 46 tests pass, 1 skipped in 4m 21s

7 files ±0 7 suites ±0 4m 21s ⏱️ + 1m 30s
47 tests +2 46 ✅ +2 1 💤 ±0 0 ❌ ±0
182 runs +8 179 ✅ +8 3 💤 ±0 0 ❌ ±0

Results for commit b86c969. ± Comparison against earlier commit 40c0e02.