test: add some test case.

[ujjboy]

• I have registered the PR changes.

Ⅰ. Describe what this PR did

add some test case.

Ⅱ. Does this pull request fix one issue?

Ⅲ. Why don't you add test cases (unit test/integration test)?

Ⅳ. Describe how to verify it

Ⅴ. Special notes for reviews

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 52.70%. Comparing base (556a734) to head (f5de07e).
Report is 1 commits behind head on 2.x.

Additional details and impacted files

@@             Coverage Diff              @@
##                2.x    #7030      +/-   ##
============================================
+ Coverage     52.60%   52.70%   +0.10%     
- Complexity     6590     6609      +19     
============================================
  Files          1126     1126              
  Lines         40020    40020              
  Branches       4700     4700              
============================================
+ Hits          21053    21094      +41     
+ Misses        16957    16915      -42     
- Partials       2010     2011       +1     

Files with missing lines	Coverage Δ
...java/org/apache/seata/common/LockStrategyMode.java	0.00% <ø> (ø)

... and 10 files with indirect coverage changes

[slievrly]

don't suggest to add an author or personal information.

[slievrly]

LGTM