test fix

Author: rashtao

driver/src/test/java/com/arangodb/ArangoConfigTest.java

@@ -21,7 +21,7 @@ void defaultValues() {
         assertThat(cfg.getVerifyHost()).isEqualTo(ArangoDefaults.DEFAULT_VERIFY_HOST);
         assertThat(cfg.getChunkSize()).isEqualTo(ArangoDefaults.DEFAULT_CHUNK_SIZE);
         assertThat(cfg.getMaxConnections()).isEqualTo(ArangoDefaults.MAX_CONNECTIONS_HTTP2_DEFAULT);
-        assertThat(cfg.getConnectionTtl()).isNull();
+        assertThat(cfg.getConnectionTtl()).isEqualTo(ArangoDefaults.DEFAULT_CONNECTION_TTL_HTTP);
         assertThat(cfg.getKeepAliveInterval()).isNull();
         assertThat(cfg.getAcquireHostList()).isEqualTo(ArangoDefaults.DEFAULT_ACQUIRE_HOST_LIST);
         assertThat(cfg.getAcquireHostListInterval()).isEqualTo(ArangoDefaults.DEFAULT_ACQUIRE_HOST_LIST_INTERVAL);