Test Case Many bug fix

[vincentinttsh]

Fix the bug of the test case "Many" , and the test case will now be tested by default

[codecov-io]

Codecov Report

Merging #128 (05a9a6b) into master (19716a2) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #128   +/-   ##
=======================================
  Coverage   52.77%   52.77%           
=======================================
  Files           5        5           
  Lines          36       36           
=======================================
  Hits           19       19           
  Misses         16       16           
  Partials        1        1           

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