diff --git a/test262/es2015_tests.txt b/test262/es2015_tests.txt
index 017556f9bcf164b9558394ab6d97eeab591180e7..56b9075a7ca8e38a6ff32d5f28b056f007a6b858 100644
--- a/test262/es2015_tests.txt
+++ b/test262/es2015_tests.txt
@@ -2822,6 +2822,376 @@ built-ins/ArrayBuffer/Symbol.species/symbol-species-name.js
 built-ins/ArrayBuffer/toindex-length.js
 built-ins/ArrayBuffer/undefined-newtarget-throws.js
 built-ins/ArrayBuffer/zero-length.js
+built-ins/Atomics/notify/null-bufferdata-throws.js
+built-ins/Atomics/notify/non-shared-bufferdata-index-evaluation-throws.js
+built-ins/Atomics/notify/count-symbol-throws.js
+built-ins/Atomics/notify/count-from-nans.js
+built-ins/Atomics/notify/notify-zero.js
+built-ins/Atomics/notify/notify-all.js
+built-ins/Atomics/notify/non-views.js
+built-ins/Atomics/notify/count-boundary-cases.js
+built-ins/Atomics/notify/out-of-range-index-throws.js
+built-ins/Atomics/notify/name.js
+built-ins/Atomics/notify/negative-count.js
+built-ins/Atomics/notify/validate-arraytype-before-count-coercion.js
+built-ins/Atomics/notify/count-defaults-to-infinity-missing.js
+built-ins/Atomics/notify/non-int32-typedarray-throws.js
+built-ins/Atomics/notify/notify-in-order-one-time.js
+built-ins/Atomics/notify/non-shared-bufferdata-non-shared-int-views-throws.js
+built-ins/Atomics/notify/notify-nan.js
+built-ins/Atomics/notify/notify-in-order.js
+built-ins/Atomics/notify/notify-with-no-agents-waiting.js
+built-ins/Atomics/notify/negative-index-throws.js
+built-ins/Atomics/notify/count-defaults-to-infinity-undefined.js
+built-ins/Atomics/notify/notify-renotify-noop.js
+built-ins/Atomics/notify/bad-range.js
+built-ins/Atomics/notify/non-shared-bufferdata-count-evaluation-throws.js
+built-ins/Atomics/notify/length.js
+built-ins/Atomics/notify/validate-arraytype-before-index-coercion.js
+built-ins/Atomics/notify/non-shared-bufferdata-returns-0.js
+built-ins/Atomics/notify/not-a-constructor.js
+built-ins/Atomics/notify/not-an-object-throws.js
+built-ins/Atomics/notify/count-tointeger-throws-then-wake-throws.js
+built-ins/Atomics/notify/notify-all-on-loc.js
+built-ins/Atomics/notify/notify-two.js
+built-ins/Atomics/notify/notify-one.js
+built-ins/Atomics/notify/not-a-typedarray-throws.js
+built-ins/Atomics/notify/bigint/null-bufferdata-throws.js
+built-ins/Atomics/notify/bigint/non-shared-bufferdata-index-evaluation-throws.js
+built-ins/Atomics/notify/bigint/non-shared-bufferdata-non-shared-int-views-throws.js
+built-ins/Atomics/notify/bigint/non-bigint64-typedarray-throws.js
+built-ins/Atomics/notify/bigint/bad-range.js
+built-ins/Atomics/notify/bigint/non-shared-bufferdata-count-evaluation-throws.js
+built-ins/Atomics/notify/bigint/non-shared-bufferdata-returns-0.js
+built-ins/Atomics/notify/bigint/notify-all-on-loc.js
+built-ins/Atomics/notify/non-shared-int-views.js
+built-ins/Atomics/notify/notify-with-no-matching-agents-waiting.js
+built-ins/Atomics/notify/undefined-index-defaults-to-zero.js
+built-ins/Atomics/notify/symbol-for-index-throws.js
+built-ins/Atomics/notify/descriptor.js
+built-ins/Atomics/Symbol.toStringTag.js
+built-ins/Atomics/wait/null-bufferdata-throws.js
+built-ins/Atomics/wait/no-spurious-wakeup-on-compareExchange.js
+built-ins/Atomics/wait/no-spurious-wakeup-on-sub.js
+built-ins/Atomics/wait/was-woken-before-timeout.js
+built-ins/Atomics/wait/negative-timeout-agent.js
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+built-ins/Atomics/wait/wait-index-value-not-equal.js
+built-ins/Atomics/wait/symbol-for-value-throws.js
+built-ins/Atomics/wait/no-spurious-wakeup-on-add.js
+built-ins/Atomics/wait/out-of-range-index-throws.js
+built-ins/Atomics/wait/null-for-timeout.js
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+built-ins/Atomics/wait/no-spurious-wakeup-on-xor.js
+built-ins/Atomics/wait/non-int32-typedarray-throws.js
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+built-ins/Atomics/wait/good-views.js
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+built-ins/Atomics/wait/validate-arraytype-before-value-coercion.js
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+built-ins/Atomics/wait/undefined-for-timeout.js
+built-ins/Atomics/wait/no-spurious-wakeup-on-exchange.js
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+built-ins/Atomics/wait/bigint/no-spurious-wakeup-on-exchange.js
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+built-ins/Atomics/store/name.js
+built-ins/Atomics/store/good-views.js
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+built-ins/Atomics/store/bigint/good-views.js
+built-ins/Atomics/store/bigint/bad-range.js
+built-ins/Atomics/store/bigint/non-shared-bufferdata.js
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+built-ins/Atomics/load/non-views.js
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+built-ins/Atomics/compareExchange/bad-range.js
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+built-ins/Atomics/compareExchange/bigint/non-shared-bufferdata.js
+built-ins/Atomics/compareExchange/validate-arraytype-before-expectedValue-coercion.js
+built-ins/Atomics/compareExchange/descriptor.js
+built-ins/Atomics/waitAsync/null-bufferdata-throws.js
+built-ins/Atomics/waitAsync/no-spurious-wakeup-on-compareExchange.js
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+built-ins/Atomics/waitAsync/returns-result-object-value-is-string-timed-out.js
+built-ins/Atomics/waitAsync/was-woken-before-timeout.js
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+built-ins/Atomics/exchange/length.js
+built-ins/Atomics/exchange/validate-arraytype-before-index-coercion.js
+built-ins/Atomics/exchange/nonshared-int-views.js
+built-ins/Atomics/exchange/not-a-constructor.js
+built-ins/Atomics/exchange/expected-return-value.js
+built-ins/Atomics/exchange/non-shared-bufferdata.js
+built-ins/Atomics/exchange/bigint/good-views.js
+built-ins/Atomics/exchange/bigint/bad-range.js
+built-ins/Atomics/exchange/bigint/non-shared-bufferdata.js
+built-ins/Atomics/exchange/descriptor.js
 built-ins/DataView/buffer-does-not-have-arraybuffer-data-throws.js
 built-ins/DataView/buffer-does-not-have-arraybuffer-data-throws-sab.js
 built-ins/DataView/buffer-not-object-throws.js
diff --git a/test262/skip_tests.json b/test262/skip_tests.json
index adb9c11c24fd57231900a69e7432fa51e6f61e4a..18146cf10571ec2dd6609c92e1485dcf20c864c1 100644
--- a/test262/skip_tests.json
+++ b/test262/skip_tests.json
@@ -1433,6 +1433,176 @@
             "language/module-code/early-dup-export-as-star-as.js"
         ]
     },
+    {
+        "reason": "agent.* not yet supported",
+        "files": [
+            "built-ins/Atomics/notify/notify-nan.js",
+            "built-ins/Atomics/notify/notify-renotify-noop.js",
+            "built-ins/Atomics/notify/notify-with-no-agents-waiting.js",
+            "built-ins/Atomics/notify/notify-all-on-loc.js",
+            "built-ins/Atomics/notify/undefined-index-defaults-to-zero.js",
+            "built-ins/Atomics/notify/notify-two.js",
+            "built-ins/Atomics/notify/notify-all.js",
+            "built-ins/Atomics/notify/negative-count.js",
+            "built-ins/Atomics/notify/notify-zero.js",
+            "built-ins/Atomics/notify/notify-in-order-one-time.js",
+            "built-ins/Atomics/notify/count-defaults-to-infinity-undefined.js",
+            "built-ins/Atomics/notify/null-bufferdata-throws.js",
+            "built-ins/Atomics/notify/notify-in-order.js",
+            "built-ins/Atomics/notify/notify-one.js",
+            "built-ins/Atomics/notify/count-defaults-to-infinity-missing.js",
+            "built-ins/Atomics/notify/bigint/notify-all-on-loc.js",
+            "built-ins/Atomics/notify/bigint/null-bufferdata-throws.js",
+            "built-ins/Atomics/notify/notify-with-no-matching-agents-waiting.js",
+            "built-ins/Atomics/wait/was-woken-before-timeout.js",
+            "built-ins/Atomics/wait/null-for-timeout-agent.js",
+            "built-ins/Atomics/wait/undefined-index-defaults-to-zero.js",
+            "built-ins/Atomics/wait/no-spurious-wakeup-on-exchange.js",
+            "built-ins/Atomics/wait/false-for-timeout-agent.js",
+            "built-ins/Atomics/wait/nan-for-timeout.js",
+            "built-ins/Atomics/wait/no-spurious-wakeup-on-and.js",
+            "built-ins/Atomics/wait/no-spurious-wakeup-on-or.js",
+            "built-ins/Atomics/wait/no-spurious-wakeup-on-store.js",
+            "built-ins/Atomics/wait/no-spurious-wakeup-on-sub.js",
+            "built-ins/Atomics/wait/value-not-equal.js",
+            "built-ins/Atomics/wait/waiterlist-order-of-operations-is-fifo.js",
+            "built-ins/Atomics/wait/symbol-for-timeout-throws-agent.js",
+            "built-ins/Atomics/wait/symbol-for-index-throws-agent.js",
+            "built-ins/Atomics/wait/no-spurious-wakeup-on-add.js",
+            "built-ins/Atomics/wait/good-views.js",
+            "built-ins/Atomics/wait/no-spurious-wakeup-on-compareExchange.js",
+            "built-ins/Atomics/wait/null-bufferdata-throws.js",
+            "built-ins/Atomics/wait/poisoned-object-for-timeout-throws-agent.js",
+            "built-ins/Atomics/wait/waiterlist-block-indexedposition-wake.js",
+            "built-ins/Atomics/wait/cannot-suspend-throws.js",
+            "built-ins/Atomics/wait/undefined-for-timeout.js",
+            "built-ins/Atomics/wait/object-for-timeout-agent.js",
+            "built-ins/Atomics/wait/wait-index-value-not-equal.js",
+            "built-ins/Atomics/wait/no-spurious-wakeup-no-operation.js",
+            "built-ins/Atomics/wait/no-spurious-wakeup-on-xor.js",
+            "built-ins/Atomics/wait/negative-timeout-agent.js",
+            "built-ins/Atomics/wait/bigint/was-woken-before-timeout.js",
+            "built-ins/Atomics/wait/bigint/no-spurious-wakeup-on-exchange.js",
+            "built-ins/Atomics/wait/bigint/false-for-timeout-agent.js",
+            "built-ins/Atomics/wait/bigint/nan-for-timeout.js",
+            "built-ins/Atomics/wait/bigint/no-spurious-wakeup-on-and.js",
+            "built-ins/Atomics/wait/bigint/no-spurious-wakeup-on-or.js",
+            "built-ins/Atomics/wait/bigint/no-spurious-wakeup-on-store.js",
+            "built-ins/Atomics/wait/bigint/no-spurious-wakeup-on-sub.js",
+            "built-ins/Atomics/wait/bigint/value-not-equal.js",
+            "built-ins/Atomics/wait/bigint/waiterlist-order-of-operations-is-fifo.js",
+            "built-ins/Atomics/wait/bigint/no-spurious-wakeup-on-add.js",
+            "built-ins/Atomics/wait/bigint/no-spurious-wakeup-on-compareExchange.js",
+            "built-ins/Atomics/wait/bigint/null-bufferdata-throws.js",
+            "built-ins/Atomics/wait/bigint/waiterlist-block-indexedposition-wake.js",
+            "built-ins/Atomics/wait/bigint/cannot-suspend-throws.js",
+            "built-ins/Atomics/wait/bigint/no-spurious-wakeup-no-operation.js",
+            "built-ins/Atomics/wait/bigint/no-spurious-wakeup-on-xor.js",
+            "built-ins/Atomics/wait/bigint/negative-timeout-agent.js",
+            "built-ins/Atomics/wait/true-for-timeout-agent.js",
+            "built-ins/Atomics/wait/symbol-for-value-throws-agent.js",
+            "built-ins/Atomics/waitAsync/null-bufferdata-throws.js",
+            "built-ins/Atomics/waitAsync/no-spurious-wakeup-on-compareExchange.js",
+            "built-ins/Atomics/waitAsync/no-spurious-wakeup-on-sub.js",
+            "built-ins/Atomics/waitAsync/returns-result-object-value-is-string-timed-out.js",
+            "built-ins/Atomics/waitAsync/was-woken-before-timeout.js",
+            "built-ins/Atomics/waitAsync/implicit-infinity-for-timeout.js",
+            "built-ins/Atomics/waitAsync/negative-timeout-agent.js",
+            "built-ins/Atomics/waitAsync/non-shared-bufferdata-throws.js",
+            "built-ins/Atomics/waitAsync/undefined-for-timeout-agent.js",
+            "built-ins/Atomics/waitAsync/symbol-for-value-throws.js",
+            "built-ins/Atomics/waitAsync/no-spurious-wakeup-on-add.js",
+            "built-ins/Atomics/waitAsync/out-of-range-index-throws.js",
+            "built-ins/Atomics/waitAsync/null-for-timeout.js",
+            "built-ins/Atomics/waitAsync/name.js",
+            "built-ins/Atomics/waitAsync/no-spurious-wakeup-on-xor.js",
+            "built-ins/Atomics/waitAsync/is-function.js",
+            "built-ins/Atomics/waitAsync/non-int32-typedarray-throws.js",
+            "built-ins/Atomics/waitAsync/symbol-for-timeout-throws-agent.js",
+            "built-ins/Atomics/waitAsync/poisoned-object-for-timeout-throws-agent.js",
+            "built-ins/Atomics/waitAsync/no-spurious-wakeup-on-store.js",
+            "built-ins/Atomics/waitAsync/good-views.js",
+            "built-ins/Atomics/waitAsync/true-for-timeout.js",
+            "built-ins/Atomics/waitAsync/validate-arraytype-before-value-coercion.js",
+            "built-ins/Atomics/waitAsync/object-for-timeout-agent.js",
+            "built-ins/Atomics/waitAsync/negative-index-throws.js",
+            "built-ins/Atomics/waitAsync/object-for-timeout.js",
+            "built-ins/Atomics/waitAsync/returns-result-object-value-is-promise-resolves-to-ok.js",
+            "built-ins/Atomics/waitAsync/symbol-for-index-throws-agent.js",
+            "built-ins/Atomics/waitAsync/no-spurious-wakeup-on-and.js",
+            "built-ins/Atomics/waitAsync/false-for-timeout-agent.js",
+            "built-ins/Atomics/waitAsync/true-for-timeout-agent.js",
+            "built-ins/Atomics/waitAsync/bad-range.js",
+            "built-ins/Atomics/waitAsync/length.js",
+            "built-ins/Atomics/waitAsync/validate-arraytype-before-index-coercion.js",
+            "built-ins/Atomics/waitAsync/value-not-equal.js",
+            "built-ins/Atomics/waitAsync/no-spurious-wakeup-no-operation.js",
+            "built-ins/Atomics/waitAsync/not-an-object-throws.js",
+            "built-ins/Atomics/waitAsync/null-for-timeout-agent.js",
+            "built-ins/Atomics/waitAsync/false-for-timeout.js",
+            "built-ins/Atomics/waitAsync/waiterlist-block-indexedposition-wake.js",
+            "built-ins/Atomics/waitAsync/undefined-for-timeout.js",
+            "built-ins/Atomics/waitAsync/no-spurious-wakeup-on-exchange.js",
+            "built-ins/Atomics/waitAsync/negative-timeout.js",
+            "built-ins/Atomics/waitAsync/symbol-for-timeout-throws.js",
+            "built-ins/Atomics/waitAsync/value-not-equal-agent.js",
+            "built-ins/Atomics/waitAsync/symbol-for-value-throws-agent.js",
+            "built-ins/Atomics/waitAsync/not-a-typedarray-throws.js",
+            "built-ins/Atomics/waitAsync/validate-arraytype-before-timeout-coercion.js",
+            "built-ins/Atomics/waitAsync/returns-result-object-value-is-string-not-equal.js",
+            "built-ins/Atomics/waitAsync/nan-for-timeout-agent.js",
+            "built-ins/Atomics/waitAsync/bigint/null-bufferdata-throws.js",
+            "built-ins/Atomics/waitAsync/bigint/no-spurious-wakeup-on-compareExchange.js",
+            "built-ins/Atomics/waitAsync/bigint/no-spurious-wakeup-on-sub.js",
+            "built-ins/Atomics/waitAsync/bigint/was-woken-before-timeout.js",
+            "built-ins/Atomics/waitAsync/bigint/negative-timeout-agent.js",
+            "built-ins/Atomics/waitAsync/bigint/non-shared-bufferdata-throws.js",
+            "built-ins/Atomics/waitAsync/bigint/undefined-for-timeout-agent.js",
+            "built-ins/Atomics/waitAsync/bigint/symbol-for-value-throws.js",
+            "built-ins/Atomics/waitAsync/bigint/no-spurious-wakeup-on-add.js",
+            "built-ins/Atomics/waitAsync/bigint/out-of-range-index-throws.js",
+            "built-ins/Atomics/waitAsync/bigint/null-for-timeout.js",
+            "built-ins/Atomics/waitAsync/bigint/no-spurious-wakeup-on-xor.js",
+            "built-ins/Atomics/waitAsync/bigint/symbol-for-timeout-throws-agent.js",
+            "built-ins/Atomics/waitAsync/bigint/poisoned-object-for-timeout-throws-agent.js",
+            "built-ins/Atomics/waitAsync/bigint/no-spurious-wakeup-on-store.js",
+            "built-ins/Atomics/waitAsync/bigint/good-views.js",
+            "built-ins/Atomics/waitAsync/bigint/true-for-timeout.js",
+            "built-ins/Atomics/waitAsync/bigint/object-for-timeout-agent.js",
+            "built-ins/Atomics/waitAsync/bigint/negative-index-throws.js",
+            "built-ins/Atomics/waitAsync/bigint/non-bigint64-typedarray-throws.js",
+            "built-ins/Atomics/waitAsync/bigint/object-for-timeout.js",
+            "built-ins/Atomics/waitAsync/bigint/symbol-for-index-throws-agent.js",
+            "built-ins/Atomics/waitAsync/bigint/no-spurious-wakeup-on-and.js",
+            "built-ins/Atomics/waitAsync/bigint/false-for-timeout-agent.js",
+            "built-ins/Atomics/waitAsync/bigint/true-for-timeout-agent.js",
+            "built-ins/Atomics/waitAsync/bigint/bad-range.js",
+            "built-ins/Atomics/waitAsync/bigint/value-not-equal.js",
+            "built-ins/Atomics/waitAsync/bigint/no-spurious-wakeup-no-operation.js",
+            "built-ins/Atomics/waitAsync/bigint/not-an-object-throws.js",
+            "built-ins/Atomics/waitAsync/bigint/null-for-timeout-agent.js",
+            "built-ins/Atomics/waitAsync/bigint/false-for-timeout.js",
+            "built-ins/Atomics/waitAsync/bigint/waiterlist-block-indexedposition-wake.js",
+            "built-ins/Atomics/waitAsync/bigint/undefined-for-timeout.js",
+            "built-ins/Atomics/waitAsync/bigint/no-spurious-wakeup-on-exchange.js",
+            "built-ins/Atomics/waitAsync/bigint/negative-timeout.js",
+            "built-ins/Atomics/waitAsync/bigint/symbol-for-timeout-throws.js",
+            "built-ins/Atomics/waitAsync/bigint/value-not-equal-agent.js",
+            "built-ins/Atomics/waitAsync/bigint/symbol-for-value-throws-agent.js",
+            "built-ins/Atomics/waitAsync/bigint/not-a-typedarray-throws.js",
+            "built-ins/Atomics/waitAsync/bigint/nan-for-timeout-agent.js",
+            "built-ins/Atomics/waitAsync/bigint/poisoned-object-for-timeout-throws.js",
+            "built-ins/Atomics/waitAsync/bigint/no-spurious-wakeup-on-or.js",
+            "built-ins/Atomics/waitAsync/bigint/symbol-for-index-throws.js",
+            "built-ins/Atomics/waitAsync/bigint/undefined-index-defaults-to-zero-agent.js",
+            "built-ins/Atomics/waitAsync/poisoned-object-for-timeout-throws.js",
+            "built-ins/Atomics/waitAsync/no-spurious-wakeup-on-or.js",
+            "built-ins/Atomics/waitAsync/symbol-for-index-throws.js",
+            "built-ins/Atomics/waitAsync/returns-result-object-value-is-promise-resolves-to-timed-out.js",
+            "built-ins/Atomics/waitAsync/undefined-index-defaults-to-zero-agent.js",
+            "built-ins/Atomics/waitAsync/descriptor.js"
+        ]
+    },
     {
         "reason": "gc() not yet supported",
         "files": [