diff --git a/test/built-ins/Temporal/Instant/prototype/toLocaleString/locales-undefined.js b/test/intl402/Temporal/Instant/prototype/toLocaleString/locales-undefined.js
similarity index 100%
rename from test/built-ins/Temporal/Instant/prototype/toLocaleString/locales-undefined.js
rename to test/intl402/Temporal/Instant/prototype/toLocaleString/locales-undefined.js
diff --git a/test/built-ins/Temporal/Instant/prototype/toLocaleString/options-undefined.js b/test/intl402/Temporal/Instant/prototype/toLocaleString/options-undefined.js
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rename from test/built-ins/Temporal/Instant/prototype/toLocaleString/options-undefined.js
rename to test/intl402/Temporal/Instant/prototype/toLocaleString/options-undefined.js
diff --git a/test/built-ins/Temporal/PlainDate/prototype/toLocaleString/locales-undefined.js b/test/intl402/Temporal/PlainDate/prototype/toLocaleString/locales-undefined.js
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rename from test/built-ins/Temporal/PlainDate/prototype/toLocaleString/locales-undefined.js
rename to test/intl402/Temporal/PlainDate/prototype/toLocaleString/locales-undefined.js
diff --git a/test/built-ins/Temporal/PlainDate/prototype/toLocaleString/options-undefined.js b/test/intl402/Temporal/PlainDate/prototype/toLocaleString/options-undefined.js
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rename from test/built-ins/Temporal/PlainDate/prototype/toLocaleString/options-undefined.js
rename to test/intl402/Temporal/PlainDate/prototype/toLocaleString/options-undefined.js
diff --git a/test/built-ins/Temporal/PlainDateTime/prototype/toLocaleString/locales-undefined.js b/test/intl402/Temporal/PlainDateTime/prototype/toLocaleString/locales-undefined.js
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rename from test/built-ins/Temporal/PlainDateTime/prototype/toLocaleString/locales-undefined.js
rename to test/intl402/Temporal/PlainDateTime/prototype/toLocaleString/locales-undefined.js
diff --git a/test/built-ins/Temporal/PlainDateTime/prototype/toLocaleString/options-undefined.js b/test/intl402/Temporal/PlainDateTime/prototype/toLocaleString/options-undefined.js
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rename from test/built-ins/Temporal/PlainDateTime/prototype/toLocaleString/options-undefined.js
rename to test/intl402/Temporal/PlainDateTime/prototype/toLocaleString/options-undefined.js
diff --git a/test/built-ins/Temporal/PlainMonthDay/prototype/toLocaleString/locales-undefined.js b/test/intl402/Temporal/PlainMonthDay/prototype/toLocaleString/locales-undefined.js
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rename from test/built-ins/Temporal/PlainMonthDay/prototype/toLocaleString/locales-undefined.js
rename to test/intl402/Temporal/PlainMonthDay/prototype/toLocaleString/locales-undefined.js
diff --git a/test/built-ins/Temporal/PlainMonthDay/prototype/toLocaleString/options-undefined.js b/test/intl402/Temporal/PlainMonthDay/prototype/toLocaleString/options-undefined.js
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rename from test/built-ins/Temporal/PlainMonthDay/prototype/toLocaleString/options-undefined.js
rename to test/intl402/Temporal/PlainMonthDay/prototype/toLocaleString/options-undefined.js
diff --git a/test/built-ins/Temporal/PlainTime/prototype/toLocaleString/locales-undefined.js b/test/intl402/Temporal/PlainTime/prototype/toLocaleString/locales-undefined.js
similarity index 100%
rename from test/built-ins/Temporal/PlainTime/prototype/toLocaleString/locales-undefined.js
rename to test/intl402/Temporal/PlainTime/prototype/toLocaleString/locales-undefined.js
diff --git a/test/built-ins/Temporal/PlainTime/prototype/toLocaleString/options-undefined.js b/test/intl402/Temporal/PlainTime/prototype/toLocaleString/options-undefined.js
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rename from test/built-ins/Temporal/PlainTime/prototype/toLocaleString/options-undefined.js
rename to test/intl402/Temporal/PlainTime/prototype/toLocaleString/options-undefined.js
diff --git a/test/built-ins/Temporal/PlainYearMonth/prototype/toLocaleString/locales-undefined.js b/test/intl402/Temporal/PlainYearMonth/prototype/toLocaleString/locales-undefined.js
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rename from test/built-ins/Temporal/PlainYearMonth/prototype/toLocaleString/locales-undefined.js
rename to test/intl402/Temporal/PlainYearMonth/prototype/toLocaleString/locales-undefined.js
diff --git a/test/built-ins/Temporal/PlainYearMonth/prototype/toLocaleString/options-undefined.js b/test/intl402/Temporal/PlainYearMonth/prototype/toLocaleString/options-undefined.js
similarity index 100%
rename from test/built-ins/Temporal/PlainYearMonth/prototype/toLocaleString/options-undefined.js
rename to test/intl402/Temporal/PlainYearMonth/prototype/toLocaleString/options-undefined.js
diff --git a/test/built-ins/Temporal/ZonedDateTime/prototype/toLocaleString/locales-undefined.js b/test/intl402/Temporal/ZonedDateTime/prototype/toLocaleString/locales-undefined.js
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rename from test/built-ins/Temporal/ZonedDateTime/prototype/toLocaleString/locales-undefined.js
rename to test/intl402/Temporal/ZonedDateTime/prototype/toLocaleString/locales-undefined.js
diff --git a/test/built-ins/Temporal/ZonedDateTime/prototype/toLocaleString/options-undefined.js b/test/intl402/Temporal/ZonedDateTime/prototype/toLocaleString/options-undefined.js
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rename from test/built-ins/Temporal/ZonedDateTime/prototype/toLocaleString/options-undefined.js
rename to test/intl402/Temporal/ZonedDateTime/prototype/toLocaleString/options-undefined.js