Enable tests for MSSQL and Oracle (#1329)

* Re-enable UUIDGeneratorTest for Oracle

The latest Vert.x client supports searching for UUID

* Re-enable LobTypeTest for MSSQL

Not sure when it's been fixed but it works with the current
Vert.x client

* Update limitations for Db2 in the README

Author: DavideD

README.md

@@ -250,3 +250,4 @@ At present several minor limitations remain.
   supported.
 - With Db2:
   * [Automatic schema](http://hibernate.org/reactive/documentation/1.1/reference/html_single/#_automatic_schema_export) update and validation is not supported.
+  * `@Lob` annotation is not supported - See [this issue on the vertx-db2-client](https://github.com/eclipse-vertx/vertx-sql-client/issues/496)

hibernate-reactive-core/src/test/java/org/hibernate/reactive/UUIDGeneratorTest.java

@@ -26,8 +26,8 @@
 
 public class UUIDGeneratorTest extends BaseReactiveTest {
 
-	@Rule // Storing UUID doesn't work with DB2, Searching a UUID doesn't work for Oracle
-	public DatabaseSelectionRule dbRule = DatabaseSelectionRule.skipTestsFor( DB2, ORACLE );
+	@Rule // Storing UUID doesn't work with DB2
+	public DatabaseSelectionRule dbRule = DatabaseSelectionRule.skipTestsFor( DB2 );
 
 	@Override
 	protected Collection<Class<?>> annotatedEntities() {

hibernate-reactive-core/src/test/java/org/hibernate/reactive/types/LobTypeTest.java

@@ -26,15 +26,14 @@
 import io.vertx.ext.unit.TestContext;
 
 import static org.hibernate.reactive.containers.DatabaseConfiguration.DBType.DB2;
-import static org.hibernate.reactive.containers.DatabaseConfiguration.DBType.SQLSERVER;
 
 /**
  * Test types that we expect to work only on selected DBs.
  */
 public class LobTypeTest extends BaseReactiveTest {
 
 	@Rule
-	public DatabaseSelectionRule selectionRule = DatabaseSelectionRule.skipTestsFor( DB2, SQLSERVER );
+	public DatabaseSelectionRule selectionRule = DatabaseSelectionRule.skipTestsFor( DB2 );
 
 	@Override
 	protected Collection<Class<?>> annotatedEntities() {