Suppress IDE deprecation warnings.

hikaricp-common/src/test/java/com/zaxxer/hikari/JdbcDriverTest.java

@@ -36,6 +36,7 @@ public class JdbcDriverTest
       }
    }
 
+   @SuppressWarnings("deprecation")
    @Test
    public void driverTest1() throws SQLException
    {

hikaricp-common/src/test/java/com/zaxxer/hikari/ShutdownTest.java

@@ -205,6 +205,7 @@ public class ShutdownTest
       Assert.assertSame("Total connection count not as expected", 0, pool.getTotalConnections());
    }
 
+   @SuppressWarnings("deprecation")
    @Test
    public void testAfterShutdown() throws Exception
    {

hikaricp-common/src/test/java/com/zaxxer/hikari/TestValidation.java

@@ -29,6 +29,7 @@ import com.zaxxer.hikari.mocks.StubDataSource;
 /**
  * @author Brett Wooldridge
  */
+@SuppressWarnings("deprecation")
 public class TestValidation
 {
    @Test