This is a testharness.js-based test.
PASS <form rel=""> with <base target>
FAIL <form rel="noopener"> with <base target> assert_false: opener expected false got true
FAIL <form rel="noreferrer"> with <base target> assert_equals: referrer expected "" but got "http://web-platform.test:8001/html/semantics/forms/form-submission-target/rel-base-target.html"
PASS <form rel="opener"> with <base target>
FAIL <form rel="noopener noreferrer"> with <base target> assert_equals: referrer expected "" but got "http://web-platform.test:8001/html/semantics/forms/form-submission-target/rel-base-target.html"
FAIL <form rel="noreferrer opener"> with <base target> assert_equals: referrer expected "" but got "http://web-platform.test:8001/html/semantics/forms/form-submission-target/rel-base-target.html"
FAIL <form rel="opener noopener"> with <base target> assert_false: opener expected false got true
Harness: the test ran to completion.