Enable test_hello_world_above_2gb. NFC (#18093)

Author: sbc100

test/test_other.py

@@ -12127,10 +12127,10 @@ def test_wasmfs_before_preload(self):
     self.emcc_args += ['--preload-file', 'js_backend_files/file.dat']
     self.do_run_in_out_file_test('wasmfs/wasmfs_before_preload.c')
 
-  @disabled('Running with initial >2GB heaps is not currently supported on the CI version of Node')
+  # Requires v8 for now since the version of node we use in CI doesn't support >2GB heaps
+  @requires_v8
   def test_hello_world_above_2gb(self):
-    self.run_process([EMCC, test_file('hello_world.c'), '-sGLOBAL_BASE=2147483648', '-sINITIAL_MEMORY=3GB'])
-    self.assertContained('hello, world!', self.run_js('a.out.js'))
+    self.do_runf(test_file('hello_world.c'), 'hello, world!', emcc_args=['-sGLOBAL_BASE=2147483648', '-sINITIAL_MEMORY=3GB'])
 
   def test_hello_function(self):
     # hello_function.cpp is referenced/used in the docs.  This test ensures that it