fix send tokens to address should generate

[fuxingloh]

What kind of PR is this?:

/kind fix

What this PR does / why we need it:

Should container.generate(1) after sending tokens as testing module be fully featured. This removes the need to container.generate(1) from setup code..

[github-actions]

size-limit report 📦

Path	Size	Loading time (3g)	Running time (snapdragon)	Total time
packages/jellyfish/dist/jellyfish.umd.js	18.95 KB (0%)	380 ms (0%)	163 ms (-3.22% 🔽)	542 ms

[codecov]

Codecov Report

Merging #255 (27d7555) into main (cfbed46) will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##             main     #255   +/-   ##
=======================================
  Coverage   96.37%   96.38%           
=======================================
  Files          82       82           
  Lines        2153     2155    +2     
  Branches      275      275           
=======================================
+ Hits         2075     2077    +2     
  Misses         78       78           

Impacted Files	Coverage Δ
packages/testing/src/account.ts	100.00% <100.00%> (ø)

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