1 files changed, 15 insertions, 0 deletions
diff --git a/dom/tests/mochitest/script/test_bug1788532_moduleA.mjs b/dom/tests/mochitest/script/test_bug1788532_moduleA.mjs
new file mode 100644
index 0000000000..d667aac482
--- /dev/null
+++ b/dom/tests/mochitest/script/test_bug1788532_moduleA.mjs
@@ -0,0 +1,15 @@
+let xhrFinished = false;
+
+import("./test_bug1788532_moduleB.mjs")
+  .then(() => {
+    ok(xhrFinished, "Loaded after XHR finished");
+    SimpleTest.finish();
+  })
+  .catch(e => {
+    ok(false, "Caught exception: " + e);
+  });
+
+let request = new XMLHttpRequest();
+request.open("GET", "./slow.sjs", false);
+request.send(null);
+xhrFinished = true;