Fix tests according to main PR

[Tigrov]

Related with yiisoft/db#766

Q	A
Is bugfix?	❌
New feature?	❌
Breaks BC?	❌
Fixed issues	-

[what-the-diff]

PR Summary

• Inclusion of ColumnInterface class in tests/CommandTest.php
  The class ColumnInterface has been included at the top of the tests/CommandTest.php file, extending the set of available classes used in the tests.
• Refinement of testAlterColumn method in tests/CommandTest.php
  The previously defined testAlterColumn method has been updated to a new version that accepts two potential parameter types: ColumnInterface or a simple string.
• Inclusion of ColumnInterface class in tests/QueryBuilderTest.php
  Similarly, the class ColumnInterface is also declared at the start of the tests/QueryBuilderTest.php file, broadening the set of classes that can be used within the file.
• Refinement of testAlterColumn method in tests/QueryBuilderTest.php
  As with CommandTest.php, QueryBuilderTest.php also now utilizes a new version of the testAlterColumn function. This updated method can also be called with either ColumnInterface or simple string parameters.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (6bf147f) 98.47% compared to head (6415f5b) 98.47%.

Additional details and impacted files

@@            Coverage Diff            @@
##             master     #277   +/-   ##
=========================================
  Coverage     98.47%   98.47%           
  Complexity      343      343           
=========================================
  Files            19       19           
  Lines          1046     1046           
=========================================
  Hits           1030     1030           
  Misses           16       16           

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[Tigrov]

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