Fails on `Oracle` 
````
java.lang.AssertionError: 
Expected: an instance of java.lang.Long
     but: <1> is a java.math.BigDecimal
	at org.hamcrest.MatcherAssert.assertThat(MatcherAssert.java:20)
	at org.junit.Assert.assertThat(Assert.java:865)
	at org.junit.Assert.assertThat(Assert.java:832)
	at org.springframework.integration.jdbc.store.channel.AbstractTxTimeoutMessageStoreTests.testMessageSequenceColumn(AbstractTxTimeoutMessageStoreTests.java:221)
````