Fix test expectation

Author: kleisauke

test/test_other.py

@@ -14919,7 +14919,7 @@ def test_embind_no_duplicate_symbols(self):
   def test_no_pthread(self):
     self.do_runf('hello_world.c', emcc_args=['-pthread', '-no-pthread'])
     self.assertExists('hello_world.js')
-    self.assertNotContained('Worker', read_file('hello_world.js'))
+    self.assertNotContained('new Worker(', read_file('hello_world.js'))
 
   def test_sysroot_includes_first(self):
     self.do_other_test('test_stdint_limits.c', emcc_args=['-std=c11', '-iwithsysroot/include'])