Parameterize test_pthread_hello_thread. NFC (#20966)

Author: sbc100

test/test_browser.py

@@ -5021,14 +5021,18 @@ def test_emscripten_animate_canvas_element_size(self, args, main_loop):
     self.btest_exit('canvas_animate_resize.cpp', args=cmd)
 
   # Tests the absolute minimum pthread-enabled application.
+  @parameterized({
+    '': ([],),
+    'modularize': (['-sMODULARIZE', '-sEXPORT_NAME=MyModule', '--shell-file',
+                    test_file('shell_that_launches_modularize.html')],),
+  })
   @parameterized({
     '': ([],),
     'O3': (['-O3'],)
   })
   @requires_threads
-  def test_pthread_hello_thread(self, opts):
-    for modularize in [[], ['-sMODULARIZE', '-sEXPORT_NAME=MyModule', '--shell-file', test_file('shell_that_launches_modularize.html')]]:
-      self.btest_exit('pthread/hello_thread.c', args=['-pthread'] + modularize + opts)
+  def test_pthread_hello_thread(self, opts, modularize):
+    self.btest_exit('pthread/hello_thread.c', args=['-pthread'] + modularize + opts)
 
   # Tests that a pthreads build of -sMINIMAL_RUNTIME works well in different build modes
   @parameterized({