Remove staggling nanoTime() calls.

src/test/java/com/zaxxer/hikari/TestConnectionCloseBlocking.java

@@ -38,20 +38,20 @@ public class TestConnectionCloseBlocking {
 
       HikariDataSource ds = new HikariDataSource(config);
 
-      long startNanos = System.nanoTime();
+      long start = System.currentTimeMillis();
       try {
          Connection connection = ds.getConnection();
          connection.close();
          // Hikari only checks for validity for connections with lastAccess > 1000 ms so we sleep for 1001 ms to force
          // Hikari to do a connection validation which will fail and will trigger the connection to be closed
          UtilityElf.quietlySleep(1001);
-         startNanos = System.nanoTime();
+         start = System.currentTimeMillis();
          connection = ds.getConnection(); // on physical connection close we sleep 2 seconds
          Assert.assertTrue("Waited longer than timeout",
-               (UtilityElf.elapsedNanos(startNanos) < config.getConnectionTimeout()));
+               (UtilityElf.elapsedTimeMs(start) < config.getConnectionTimeout()));
       } catch (SQLException e) {
          Assert.assertTrue("getConnection failed because close connection took longer than timeout",
-               (UtilityElf.elapsedNanos(startNanos) < config.getConnectionTimeout()));
+               (UtilityElf.elapsedNanos(start) < config.getConnectionTimeout()));
       } finally {
          shouldSleep = false;
          ds.close();