Cleanup test_wasm_worker_terminate. NFC (#22762)

Split out from #22721

Author: sbc100

test/test_browser.py

@@ -5059,10 +5059,7 @@ def test_wasm_worker_sleep(self):
   # Tests emscripten_terminate_wasm_worker()
   @also_with_minimal_runtime
   def test_wasm_worker_terminate(self):
-    self.set_setting('WASM_WORKERS')
-    # Test uses the dynCall library function in its EM_ASM code
-    self.set_setting('DEFAULT_LIBRARY_FUNCS_TO_INCLUDE', ['$dynCall'])
-    self.btest('wasm_worker/terminate_wasm_worker.c', expected='0')
+    self.btest('wasm_worker/terminate_wasm_worker.c', expected='0', args=['-sWASM_WORKERS'])
 
   # Tests emscripten_terminate_all_wasm_workers()
   @also_with_minimal_runtime

test/wasm_worker/terminate_wasm_worker.c

@@ -1,5 +1,6 @@
 #include <emscripten/console.h>
 #include <emscripten/em_asm.h>
+#include <emscripten/em_js.h>
 #include <emscripten/eventloop.h>
 #include <emscripten/wasm_worker.h>
 #include <assert.h>
@@ -36,6 +37,8 @@ void worker_main() {
 
 char stack[1024];
 
+EM_JS_DEPS(deps, "$dynCall");
+
 int should_throw(void(*func)()) {
   int threw = EM_ASM_INT({
     try {