Fix cloud tests

Author: chernser

client-v2/src/test/java/com/clickhouse/client/api/data_formats/internal/BaseReaderTests.java

@@ -580,7 +580,7 @@ public void testReadingStringValue() throws Exception {
         final String table = "test_reading_stringvalue";
 
         client.execute("DROP TABLE IF EXISTS " + table).get();
-        client.execute("CREATE TABLE " + table + " (id Int32, s String, fs FixedString(5), e FixedString(1)) ENGINE = Memory").get();
+        client.execute("CREATE TABLE " + table + " (id Int32, s String, fs FixedString(5), e FixedString(1)) ENGINE = MergeTree ORDER BY id").get();
         client.execute("INSERT INTO " + table + " VALUES (1, 'hello', 'world', 'a'), (2, 'ClickHouse', 'Rocks', 'b')").get();
 
         Client customClient = newClient()

client-v2/src/test/java/com/clickhouse/client/metrics/MetricsTest.java

@@ -67,8 +67,8 @@ public void testRegisterMetrics() throws Exception {
             Assert.assertEquals((int) available.value(), 1);
             Assert.assertEquals((int) leased.value(), 0);
 
+            final long maxDelay = isCloud() ? 300 : 15;
             Runnable task = () -> {
-                final long maxDelay = 15;
                 long t1 = System.currentTimeMillis();
                 try (QueryResponse response = client.query("SELECT 1").get()) {
                     long t = System.currentTimeMillis() - t1;