Disable test flapping

Author: alex268

jdbc/src/main/java/tech/ydb/jdbc/YdbDriver.java

@@ -133,7 +133,7 @@ public int getConnectionCount() {
         return cache.size();
     }
 
-    public void close() {
+    public void clear() {
         if (!cache.isEmpty()) {
             LOGGER.log(Level.FINE, "Closing {0} cached connection(s)...", cache.size());
             cache.values().forEach(YdbContext::close);
@@ -160,7 +160,7 @@ public static void deregister() throws SQLException {
             throw new IllegalStateException(YdbConst.DRIVER_IS_NOT_REGISTERED);
         }
         DriverManager.deregisterDriver(registeredDriver);
-        registeredDriver.close();
+        registeredDriver.clear();
 
         LOGGER.log(Level.INFO, "YDB JDBC Driver deregistered: {0}", registeredDriver);
         registeredDriver = null;

jdbc/src/test/java/tech/ydb/jdbc/YdbDriverIntegrationTest.java

@@ -69,6 +69,7 @@ public void testContextCache() throws SQLException {
         Assertions.assertTrue(jdbcDriver instanceof YdbDriver);
 
         YdbDriver driver = (YdbDriver)jdbcDriver;
+        driver.clear();
         Assertions.assertEquals(0, driver.getConnectionCount());
 
         Connection firstConnection = DriverManager.getConnection(jdbcURL.build());
@@ -138,6 +139,7 @@ public void testContextCacheDisable() throws SQLException {
         Driver jdbcDriver = DriverManager.getDriver(jdbcURL.build());
         Assertions.assertTrue(jdbcDriver instanceof YdbDriver);
         YdbDriver driver = (YdbDriver)jdbcDriver;
+        driver.clear();
         Assertions.assertEquals(0, driver.getConnectionCount());
 
         Properties props = new Properties();

jdbc/src/test/java/tech/ydb/jdbc/settings/YdbDriverProperitesTest.java

@@ -62,7 +62,7 @@ public void beforeEach() {
 
     @AfterEach
     public void afterEach() {
-        driver.close();
+        driver.clear();
     }
 
     @Test