Adapt tests to changes in Yii DB

[vjik]

Q	A
Is bugfix?	❌
New feature?	❌
Breaks BC?	❌

Related to yiisoft/db#1007

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 99.78%. Comparing base (d5432db) to head (86f4e83).
⚠️ Report is 1 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff            @@
##             master     #429   +/-   ##
=========================================
  Coverage     99.78%   99.78%           
  Complexity      303      303           
=========================================
  Files            33       33           
  Lines           946      946           
=========================================
  Hits            944      944           
  Misses            2        2           

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