maybe fix test that works locally but doesn't in CI?

Signed-off-by: Tim Farber-Newman <[email protected]>

Author: timfn-hg

hedera-node/hedera-app/src/test/java/com/hedera/node/app/blocks/impl/streaming/BlockNodeServiceConnectionTest.java

@@ -375,6 +375,7 @@ void testClose_interrupted() throws Exception {
         assertThat(thread.isInterrupted()).isFalse();
         thread.start();
         assertThat(latch.await(2, TimeUnit.SECONDS)).isTrue();
+        assertThat(thread.join(Duration.ofSeconds(2))).isTrue();
 
         assertThat(errorRef).hasNullValue(); // error should not be propagated
         assertThat(thread.isInterrupted()).isTrue();