added more information for runQuery failure

Author: chernser

clickhouse-client/src/test/java/com/clickhouse/client/BaseIntegrationTest.java

@@ -79,9 +79,9 @@ protected boolean runQuery(String query) {
     }
 
     protected boolean createDatabase(String dbName) {
-        return ClickHouseServerForTest.runQuery("CREATE DATABASE IF NOT EXISTS " + dbName);
+        return ClickHouseServerForTest.runQuery("CREATE DATABASE IF NOT EXISTS `" + dbName + "`");
     }
     protected boolean dropDatabase(String dbName) {
-        return ClickHouseServerForTest.runQuery("DROP DATABASE IF EXISTS " + dbName);
+        return ClickHouseServerForTest.runQuery("DROP DATABASE IF EXISTS `" + dbName + "`");
     }
 }

clickhouse-client/src/test/java/com/clickhouse/client/ClickHouseServerForTest.java

@@ -353,7 +353,7 @@ public static void afterSuite() {
         }
 
         if (isCloud) {
-            if (!runQuery("DROP DATABASE IF EXISTS " + database)) {
+            if (!runQuery("DROP DATABASE IF EXISTS `" + database + "`")) {
                 LOGGER.warn("Failed to drop database for testing.");
             }
         }
@@ -364,7 +364,7 @@ public static String getDatabase() {
     }
 
     public static boolean runQuery(String sql) {
-        LOGGER.info("Run a query for testing...");
+        LOGGER.info("runQuery: (\"" + sql + "\")");
 
         if (clickhouseContainer != null) {
             try {