[8.19] [ska] relocate platform banner, cloud, so, custom branding tests (#227269)

[fake-haris]

Backport

This will backport the following commits from main to 8.19:

• [ska] relocate platform banner, cloud, so, custom branding tests (#227269)

Questions ?

Please refer to the Backport tool documentation

[elasticmachine]

💛 Build succeeded, but was flaky

• Buildkite Build
• Commit: 72b1f26
• Storybooks Preview

Failed CI Steps

• Jest Integration Tests #6

Test Failures

• [job] [logs] Jest Integration Tests #6 / Upgrade diffable rule "threat_query" (threat_match rule type) after preview in flyout field value validation blocks saving field value when value is invalid

Metrics [docs]

Unknown metric groups

ESLint disabled line counts

id	before	after	diff
@kbn/test-suites-xpack	162	161	-1
@kbn/test-suites-xpack-platform	86	87	+1
total			-0

References to deprecated APIs

id	before	after	diff
@kbn/test-suites-xpack-platform	43	46	+3

Total ESLint disabled count

id	before	after	diff
@kbn/test-suites-xpack	176	175	-1
@kbn/test-suites-xpack-platform	93	94	+1
total			-0

History

• 💔 Build #325561 failed e8e300c

cc @fake-haris