fix(core-p2p): out of memory test error

[rainydio]

Summary

Tracking down core-p2p out of memory error in tests.

[codecov]

Codecov Report

Merging #3960 into develop will decrease coverage by 1.73%.
The diff coverage is n/a.

@@             Coverage Diff             @@
##           develop    #3960      +/-   ##
===========================================
- Coverage    97.53%   95.80%   -1.74%     
===========================================
  Files          629      629              
  Lines        14540    14540              
  Branches      1729     1729              
===========================================
- Hits         14182    13930     -252     
- Misses         167      421     +254     
+ Partials       191      189       -2     

Flag	Coverage Δ
#functional	?
#integration	9.85% <0.00%> (?)
#unit	95.72% <0.00%> (-0.01%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
...rc/migrations/20190307000000-drop-wallets-table.ts	0.00% <0.00%> (-100.00%)	⬇️
...c/migrations/20180305200000-create-rounds-table.ts	0.00% <0.00%> (-100.00%)	⬇️
...c/migrations/20180305300000-create-blocks-table.ts	0.00% <0.00%> (-100.00%)	⬇️
.../migrations/20180305100000-create-wallets-table.ts	0.00% <0.00%> (-100.00%)	⬇️
...igrations/20190626000000-enforce-chained-blocks.ts	0.00% <0.00%> (-100.00%)	⬇️
...rations/20191003000000-migrate-vendor-field-hex.ts	0.00% <0.00%> (-100.00%)	⬇️
...ations/20180305400000-create-transactions-table.ts	0.00% <0.00%> (-100.00%)	⬇️
.../20190718000000-check_previous_block-add-schema.ts	0.00% <0.00%> (-100.00%)	⬇️
...20190619000000-drop-id-column-from-rounds-table.ts	0.00% <0.00%> (-100.00%)	⬇️
...81204200000-add-timestamp-index-to-blocks-table.ts	0.00% <0.00%> (-100.00%)	⬇️
... and 25 more

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 3565ef5...f5bcc39. Read the comment docs.

[rainydio]

It appears that problem mysteriously disappeared.