test(clie/web/fetch): Re-enable tests (#5904)

cli/tests/unit/fetch_test.ts

@@ -100,23 +100,20 @@ unitTest({ perms: { net: true } }, async function fetchBodyUsed(): Promise<
   assertEquals(response.bodyUsed, true);
 });
 
-// TODO(ry) response.body shouldn't be iterable. Instead we should use
-// response.body.getReader().
-/*
 unitTest({ perms: { net: true } }, async function fetchAsyncIterator(): Promise<
   void
 > {
   const response = await fetch("http://localhost:4545/cli/tests/fixture.json");
   const headers = response.headers;
+
+  assert(response.body !== null);
   let total = 0;
   for await (const chunk of response.body) {
     total += chunk.length;
   }
 
   assertEquals(total, Number(headers.get("Content-Length")));
-  const _json = await response.json();
 });
-*/
 
 unitTest({ perms: { net: true } }, async function fetchBodyReader(): Promise<
   void
@@ -198,11 +195,10 @@ unitTest(
     assert(formData.has("field_1"));
     assertEquals(formData.get("field_1")!.toString(), "value_1 \r\n");
     assert(formData.has("field_2"));
-    /* TODO(ry) Re-enable this test once we bring back the global File type.
-  const file = formData.get("field_2") as File;
-  assertEquals(file.name, "file.js");
-  */
-    // Currently we cannot read from file...
+    const file = formData.get("field_2") as File;
+    assertEquals(file.name, "file.js");
+
+    assertEquals(await file.text(), `console.log("Hi")`);
   }
 );