test cases typo fixed & missing PHPDocs added.

[MrWasimAbbasi]

Q	A
Is bugfix?	❌
New feature?	❌
Breaks BC?	❌
Fixed issues	Typo fixes and missing PHPDoc added

[what-the-diff]

PR Summary

• Enhancements to the Column class
  A new method asString() was added to allow for better representation of the object.

• Expansion of capabilities for the Command class
  insertWithReturningPks() and showDatabases() methods were added. These provide more functionality for handling database commands.

• Richer control over database connections with the Connection class improvements
  Several new methods were introduced for creating commands, handling queries and managing database schemas.

• Facilitating driver usage in Driver class
  A createConnection method was introduced to make creating new connections simpler.

• Better value management in the Quoter class
  A method for quoting values, quotevalue(), is now available.

• Testing improvements to verify new functionalities.
  Various classed like ColumnSchemaTest, PdoConnectionTest, QueryBuilderJsonTest, QueryBuilderTest, QueryTest, QuoterTest, and SchemaTest have new testing methods. These methods are designed to confirm that new changes around type casting, JSON queries, query building, and database schemas work as expected.

• Expanding tests for different scenarios in database handling
  Tests to verify the workings of different functionalities like handling tinyInt(1) column type, inserting default values, handling non-connection PDO, and more have been added to the SchemaTest class.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 99.04%. Comparing base (4f44e1a) to head (d7ed03f).
Report is 2 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff            @@
##             master     #324   +/-   ##
=========================================
  Coverage     99.04%   99.04%           
  Complexity      174      174           
=========================================
  Files            13       13           
  Lines           524      524           
=========================================
  Hits            519      519           
  Misses            5        5           

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[Tigrov]

Thanks for the PR, but the changes do not seem to make sense.

See https://github.com/yiisoft/docs/blob/master/010-code-style.md#comments

Method comment is necessary except it adds nothing to what method name and signature already has.

[vjik]

It's make sense for exceptions, that need to catch in code, that usage it method.

[Tigrov]

It's make sense for exceptions, that need to catch in code, that usage it method.

Then when possible and reasonably it is better to add them to interfaces.

[samdark]

Not needed since it's obvious from return type and there's no custom description.

[samdark]

Closing since we're not going to apply the pull request. Thanks for submitting it anyway.