[wasm][tests] Add prefix to TrapHandlerTest unittests

Apparently this is necessary.

R=ulan@chromium.org

Bug: v8:9396
Change-Id: Ia7c439308fb7edbb901f595aeb9fbf9389858daa
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1832161Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Commit-Queue: Andreas Haas <ahaas@chromium.org>
Cr-Commit-Position: refs/heads/master@{#64056}

test/unittests/wasm/trap-handler-x64-unittest.cc

@@ -461,7 +461,7 @@ TEST_P(TrapHandlerTest, TestCrashInOtherThread) {
   *trap_handler::GetThreadInWasmThreadLocalAddress() = 0;
 }
 
-INSTANTIATE_TEST_SUITE_P(/* no prefix */, TrapHandlerTest,
+INSTANTIATE_TEST_SUITE_P(Traps, TrapHandlerTest,
                          ::testing::Values(kDefault, kCallback),
                          PrintTrapHandlerTestParam);