Resolve #3412857 "Error message there"

Closes #3412857

changed target branch from 8.x-1.x to 2.0.x

added 1 commit

• 04ea42f8 - Use the admin UI to add a field in the functional test

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added 3 commits

• 05228176 - 1 commit from branch project:2.0.x
• aca72616 - Issue 3412857: Removed unnecessary $field->save().
• 0070224a - Use the admin UI to add a field in the functional test

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added 1 commit

• 29f023f7 - Left-over fix from Issue #3423696

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added 1 commit

• ef86a048 - Use string values for radios in the functional test

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merged