Improve integration tests gas price and gas adjustments.

[dzmitryhil]

Description

Reviewers checklist:

• Try to write more meaningful comments with clear actions to be taken.
• Nit-picking should be unblocking. Focus on core issues.

Authors checklist

• Provide a concise and meaningful description
• Review the code yourself first, before making the PR.
• Annotate your PR in places that require explanation.
• Think and try to split the PR to smaller PR if it is big.

---

This change is 

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 37.06%. Comparing base (cb42e0e) to head (9523ec2).

Additional details and impacted files

@@             Coverage Diff             @@
##           master     #836       +/-   ##
===========================================
+ Coverage   23.76%   37.06%   +13.29%     
===========================================
  Files         176      182        +6     
  Lines       52278    52713      +435     
===========================================
+ Hits        12425    19536     +7111     
+ Misses      37433    29639     -7794     
- Partials     2420     3538     +1118     

Flag	Coverage Δ
coreum	32.95% <ø> (?)
coreum-integration-tests-modules	23.79% <ø> (+0.02%)	⬆️

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

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[ysv]

Reviewed 3 of 3 files at r1, all commit messages.
Reviewable status: all files reviewed, 1 unresolved discussion (waiting on @dzmitryhil, @masihyeganeh, @miladz68, and @wojtek-coreum)

---

testutil/integration/gov.go line 226 at r1 (raw file):

		msg := msgFunc(staker)

		txf := g.chainCtx.TxFactory().WithSimulateAndExecute(true).WithGasAdjustment(voteGasAdjustment)

nit: could you remind why we need this adjustment only inside gov ?

[masihyeganeh]

Reviewed 3 of 3 files at r1, all commit messages.
Reviewable status: all files reviewed, 1 unresolved discussion (waiting on @dzmitryhil, @miladz68, and @wojtek-coreum)

[dzmitryhil]

Reviewable status: all files reviewed, 1 unresolved discussion (waiting on @miladz68, @wojtek-coreum, and @ysv)

---

testutil/integration/gov.go line 226 at r1 (raw file):

Previously, ysv (Yaroslav Savchuk) wrote…

nit: could you remind why we need this adjustment only inside gov ?

Because the Coreum gas adjustment is 1, so when we use WithSimulateAndExecute(true) there is a high chance that at the time of the execution gas will be different.

[dzmitryhil]

Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @miladz68 and @wojtek-coreum)