Ease timeouts on buffering tests

Signed-off-by: Ana Hobden <operator@hoverbear.org>

Author: Hoverbear

tests/buffering.rs

@@ -76,7 +76,7 @@ fn test_buffering() {
 
     // Give the topology some time to process the received data and simulate
     // a crash.
-    std::thread::sleep(std::time::Duration::from_millis(100));
+    std::thread::sleep(std::time::Duration::from_millis(500));
     terminate_abruptly(rt, topology);
 
     // Then run vector again with a sink that accepts events now. It should
@@ -173,7 +173,7 @@ fn test_max_size() {
 
     // Give the topology some time to process the received data and simulate
     // a crash.
-    std::thread::sleep(std::time::Duration::from_millis(100));
+    std::thread::sleep(std::time::Duration::from_millis(500));
     terminate_abruptly(rt, topology);
 
     // Then run vector again with a sink that accepts events now. It should