1 files changed, 9 insertions, 20 deletions
diff --git a/testing/web-platform/tests/fetch/api/request/request-consume.any.js b/testing/web-platform/tests/fetch/api/request/request-consume.any.js
index aff5d65244..3db9e8f265 100644
--- a/testing/web-platform/tests/fetch/api/request/request-consume.any.js
+++ b/testing/web-platform/tests/fetch/api/request/request-consume.any.js
@@ -9,26 +9,15 @@ function checkBodyText(request, expectedBody) {
   });
 }
 
-function checkBodyBlob(request, expectedBody, checkContentType) {
-  return request.blob().then(function(bodyAsBlob) {
-    if (checkContentType)
-      assert_equals(bodyAsBlob.type, "text/plain", "Blob body type should be computed from the request Content-Type");
-
-    var promise = new Promise(function (resolve, reject) {
-      var reader = new FileReader();
-      reader.onload = function(evt) {
-        resolve(reader.result)
-      };
-      reader.onerror = function() {
-        reject("Blob's reader failed");
-      };
-      reader.readAsText(bodyAsBlob);
-    });
-    return promise.then(function(body) {
-      assert_equals(body, expectedBody, "Retrieve and verify request's body");
-      assert_true(request.bodyUsed, "body as blob: bodyUsed turned true");
-    });
-  });
+async function checkBodyBlob(request, expectedBody, checkContentType) {
+  const bodyAsBlob = await request.blob();
+
+  if (checkContentType)
+    assert_equals(bodyAsBlob.type, "text/plain", "Blob body type should be computed from the request Content-Type");
+
+  const body = await bodyAsBlob.text();
+  assert_equals(body, expectedBody, "Retrieve and verify request's body");
+  assert_true(request.bodyUsed, "body as blob: bodyUsed turned true");
 }
 
 function checkBodyArrayBuffer(request, expectedBody) {