Make token expiry test more lenient

Replace equals expectations by greater than ones.

Author: acogoluegnes

src/test/java/com/rabbitmq/client/amqp/oauth2/TokenCredentialsManagerTest.java

@@ -133,23 +133,25 @@ void severalRegistrationsShouldBeRefreshed() throws Exception {
     }
     // all connections have been refreshed once
     int refreshCountSnapshot = totalRefreshCount.get();
-    assertThat(refreshCountSnapshot).isEqualTo(connectionCount * expectedRefreshCountPerConnection);
+    assertThat(refreshCountSnapshot)
+        .isGreaterThanOrEqualTo(connectionCount * expectedRefreshCountPerConnection);
 
     // unregister half of the connections
     int splitCount = connectionCount / 2;
     registrations.subList(0, splitCount).forEach(r -> r.v1().close());
     // only the remaining connections should get refreshed again
     waitAtMost(
-        timeout, waitTime, () -> totalRefreshCount.get() == refreshCountSnapshot + splitCount);
+        timeout, waitTime, () -> totalRefreshCount.get() >= refreshCountSnapshot + splitCount);
     // waiting another round of refresh
     waitAtMost(
-        timeout, waitTime, () -> totalRefreshCount.get() == refreshCountSnapshot + splitCount * 2);
+        timeout, waitTime, () -> totalRefreshCount.get() >= refreshCountSnapshot + splitCount * 2);
     // unregister all connections
     registrations.forEach(r -> r.v1().close());
+    int finalRefreshCount = totalRefreshCount.get();
     // wait 2 expiry times
     Thread.sleep(tokenExpiry.multipliedBy(2).toMillis());
     // no new refresh
-    assertThat(totalRefreshCount).hasValue(refreshCountSnapshot + splitCount * 2);
+    assertThat(totalRefreshCount).hasValue(finalRefreshCount);
   }
 
   @Test