Update ConnectionTest.java

Increased ping timeout for cloud tests to check that connection is valid.

Author: chernser

jdbc-v2/src/test/java/com/clickhouse/jdbc/ConnectionTest.java

@@ -651,7 +651,7 @@ public void testNetworkTimeout() throws Exception {
                 executorService.shutdown();
                 executorService.awaitTermination(20, TimeUnit.SECONDS);
                 Assert.assertTrue(conn.isClosed());
-                Assert.assertFalse(conn.isValid(1000));
+                Assert.assertFalse(conn.isValid(5000));
                 conn.close();
 
             }
@@ -671,7 +671,7 @@ public void testNetworkTimeout() throws Exception {
                 fail("Exception expected");
             } catch (Exception e) {
                 Assert.assertFalse(conn.isClosed());
-                Assert.assertTrue(conn.isValid(1000));
+                Assert.assertTrue(conn.isValid(5000));
             }
         }