test: improve test coverage in perf_hooks

PR-URL: #26290
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Anto Aravinth <anto.aravinth.cse@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>

test/parallel/test-http2-perf_hooks.js

@@ -47,6 +47,14 @@ const obs = new PerformanceObserver(common.mustCall((items) => {
       assert.fail('invalid entry name');
   }
 }, 4));
+
+// Should throw if entryTypes are not valid
+{
+  const expectedError = { code: 'ERR_VALID_PERFORMANCE_ENTRY_TYPE' };
+  const wrongEntryTypes = { entryTypes: ['foo', 'bar', 'baz'] };
+  assert.throws(() => obs.observe(wrongEntryTypes), expectedError);
+}
+
 obs.observe({ entryTypes: ['http2'] });
 
 const body =