fix: delay load without layer and egg-cluster

[czy88840616]

• 1、在 egg-cluster 和 layer 模式下，就不延迟 load 了
• 2、优化了 egg 的测试，现在测试不再会 force exit

[gitpod-io]

[codecov-io]

Codecov Report

Merging #985 (4ab744e) into 2.x (0a2a4e5) will increase coverage by 0.00%.
The diff coverage is 90.90%.

@@           Coverage Diff           @@
##              2.x     #985   +/-   ##
=======================================
  Coverage   86.42%   86.42%           
=======================================
  Files         203      203           
  Lines        7984     7993    +9     
  Branches     1588     1588           
=======================================
+ Hits         6900     6908    +8     
- Misses       1036     1037    +1     
  Partials       48       48           

Impacted Files	Coverage Δ
packages/socketio/src/framework.ts	88.88% <50.00%> (-0.89%)	⬇️
packages/bootstrap/src/bootstrap.ts	76.33% <100.00%> (+0.36%)	⬆️
packages/mock/src/utils.ts	77.41% <100.00%> (+0.18%)	⬆️
packages/rabbitmq/src/framework.ts	97.29% <100.00%> (+0.07%)	⬆️
packages/web/src/base.ts	90.41% <100.00%> (ø)
packages/web/src/framework/singleProcess.ts	69.01% <100.00%> (+1.36%)	⬆️

---

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 0a2a4e5...4ab744e. Read the comment docs.