This is a testharness.js-based test.
[FAIL] WebAssembly.namespaceInstance() should return the underlying instance with shared state
  promise_test: Unhandled rejection with value: object "TypeError: Failed to fetch dynamically imported module: http://web-platform.test:8001/wasm/jsapi/esm-integration/resources/mutable-global-export.wasm"
[FAIL] WebAssembly.namespaceInstance() should work correctly with multiple modules
  promise_test: Unhandled rejection with value: object "TypeError: Failed to fetch dynamically imported module: http://web-platform.test:8001/wasm/jsapi/esm-integration/resources/exports.wasm"
Harness: the test ran to completion.