Improve flaky test FilterTest (with after filter) (#114)

The after filter actions can occur after the response has been sent back to the client, so the client thread can execute before the actual after filter action has completed for these tests.

Co-authored-by: Josiah Noel <[email protected]>

avaje-jex/src/test/java/io/avaje/jex/core/FilterTest.java

@@ -74,7 +74,6 @@ void get() {
 
     clearAfter();
     res = pair.request().path("two").GET().asString();
-    LockSupport.parkNanos(TimeUnit.MILLISECONDS.toNanos(10));
     assertHasBeforeAfterAll(res);
     assertNoBeforeAfterTwo(res);
   }
@@ -108,6 +107,7 @@ private void assertNoBeforeAfterTwo(HttpResponse<String> res) {
   private void assertHasBeforeAfterAll(HttpResponse<String> res) {
     assertThat(res.statusCode()).isLessThan(300);
     assertThat(res.headers().firstValue("before-all")).get().isEqualTo("set");
+    LockSupport.parkNanos(TimeUnit.MILLISECONDS.toNanos(2));
     assertThat(afterAll.get()).isEqualTo("set");
   }
 }