Provide valid labels for form fields - Empty label elements found

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Form label element with no text

This element should be flagged by the BP test: "Empty label elements found"

Form label element with text

This element should NOT be flagged by the BP test: "Empty label elements found"

I am a form label of some sort

Form label element with no text and image descendant(s) with no alternative text

These elements should be flagged by the BP test: "Empty label elements found"

Form label element with no text and image descendant(s) with alternative text

These elements should NOT be flagged by the BP test: "Empty label elements found"