[wasm64] Run all browser64 fetch tests (#20598)

Split out from #20516

Author: sbc100

.circleci/config.yml

@@ -788,15 +788,7 @@ jobs:
             browser64.test_glgears_deriv
             browser64.test_anisotropic
             browser64.test_webgpu_get_device
-            browser64.test_fetch_to_memory
-            browser64.test_fetch_to_indexdb
-            browser64.test_fetch_cached_xhr
-            browser64.test_fetch_response_headers
-            browser64.test_fetch_stream_file
-            browser64.test_fetch_headers_received
-            browser64.test_fetch_xhr_abort
-            browser64.test_fetch_sync_xhr
-            browser64.test_fetch_implicit_append
+            browser64.test_fetch_*
             browser64.test_pthread_*
             browser64.test_wget_*
             browser64.test_emscripten_async_wget_*

test/common.py

@@ -2136,8 +2136,9 @@ def btest(self, filename, expected=None, reference=None,
     else:
       self.run_browser(outfile + url_suffix, expected=['/report_result?' + e for e in expected], timeout=timeout, extra_tries=extra_tries)
 
-    # Tests can opt into being run under asmjs as well
-    if 'WASM=0' not in original_args and (also_wasm2js or self.also_wasm2js):
+    # Tests can opt into being run under wasmj2s as well
+    # Ignore this under MEMORY64 where wasm2js is not yet supported.
+    if 'WASM=0' not in original_args and (also_wasm2js or self.also_wasm2js) and not self.is_wasm64():
       print('WASM=0')
       self.btest(filename, expected, reference, reference_slack, manual_reference, post_build,
                  original_args + ['-sWASM=0'], also_proxied=False, timeout=timeout)