HHH-8002 TransactionTimeoutTest#testTransactionTimeoutSuccess failing on
Oracle
HHH-7999 Oracle test failures due to lack of support for identity
columns
HHH-8003 Create "sqlDropString" method in Dialect to handle "if exists"
correctly
Conflicts:
	hibernate-core/src/test/java/org/hibernate/test/jdbc/internal/BasicConnectionTest.java
	hibernate-core/src/test/java/org/hibernate/test/jdbc/proxies/BatchingTest.java