Add a --skip-config flag to wp core multisite-convert

[hbhalodia]

Issue

• Add the --skip-config flag to wp core multisite-convert #178
• Need to add --skip-config parameter so that user have an option to not add the config parameters to wp-config.php file while using the command wp core multisite-convert.

Solution

• Have added the --skip-config parameter to subcommand function doc block.
• This enables the command to use --skip-config.
• Only adding this parameter to comment works as needed on issue as the multisite-install and multisite-convert command have a common function multisite_convert_( $assoc_args ) which have a check for this parameter and then proceed accordingly.

Screenshot for command executed after the patch:

[swissspidy]

Thanks a lot for your PR! Convenient that this argument is automatically handled further down 😃

Could you perhaps also add a Behat test confirming that this works as expected?

It could look like the existing test for wp core multisite-install:

core-command/features/core-install.feature

Lines 277 to 287 in e3212a3

	Scenario: Install WordPress multisite without adding multisite constants to wp-config file
	Given an empty directory
	And WP files
	And wp-config.php
	And a database
	When I run `wp core multisite-install --url=foobar.org --title=Test --admin_user=wpcli --admin_email=admin@example.com --admin_password=password --skip-config`
	Then STDOUT should contain:
	"""
	Addition of multisite constants to 'wp-config.php' skipped. You need to add them manually:
	"""

The new test can be added at the end of the features/core.feature file, after the other multisite-convert tests.

[hbhalodia]

Thanks, @swissspidy I Would add this soon.

[hbhalodia]

Hi @swissspidy, have added the behat test for the same. Can you please review and let me know if anything else needed? Thanks a lot for review.