[#1550] Disable BasicTypesAndCallbacksForAllDBsTest for Db2

Tests throw exception:
```
Parameter at position[0] with class = [io.vertx.core.buffer.impl.BufferImpl] and value = [>Eg�BӤVUfBD] can not be coerced to the expected class = [io.netty.buffer.ByteBuf] for encoding.
```

See eclipse-vertx/vertx-sql-client#1304

Author: DavideD

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

@@ -22,13 +22,18 @@
 import io.vertx.ext.unit.TestContext;
 
 import static java.util.Arrays.asList;
+import static org.hibernate.reactive.containers.DatabaseConfiguration.DBType.DB2;
 import static org.hibernate.reactive.containers.DatabaseConfiguration.DBType.MARIA;
 import static org.hibernate.reactive.containers.DatabaseConfiguration.DBType.MYSQL;
 import static org.hibernate.reactive.testing.DatabaseSelectionRule.runOnlyFor;
 import static org.hibernate.reactive.testing.DatabaseSelectionRule.skipTestsFor;
 
 public abstract class UUIDAsBinaryType extends BaseReactiveTest {
 
+	//Db2: testUUIDType throws NoStackTraceThrowable: parameter of type BufferImpl cannot be coerced to ByteBuf
+	@Rule
+	public final DatabaseSelectionRule skip = DatabaseSelectionRule.skipTestsFor( DB2 );
+
 	public static class ForMySQLandMariaDBTest extends UUIDAsBinaryType {
 		// There's an issue querying for Binary types if the size of the column is different from
 		// the size of the parameter: see https://github.com/hibernate/hibernate-reactive/issues/678

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

@@ -29,8 +29,10 @@
 
 import org.hibernate.annotations.Type;
 import org.hibernate.reactive.BaseReactiveTest;
+import org.hibernate.reactive.testing.DatabaseSelectionRule;
 
 import org.junit.Ignore;
+import org.junit.Rule;
 import org.junit.Test;
 
 import io.vertx.ext.unit.TestContext;
@@ -59,11 +61,17 @@
 import jakarta.persistence.Transient;
 import jakarta.persistence.Version;
 
+import static org.hibernate.reactive.containers.DatabaseConfiguration.DBType.DB2;
+
 /**
  * Test all the types and lifecycle callbacks that we expect to work on all supported DBs
  */
 public class BasicTypesAndCallbacksForAllDBsTest extends BaseReactiveTest {
 
+	//Db2: testUUIDType throws NoStackTraceThrowable: parameter of type BufferImpl cannot be coerced to ByteBuf
+	@Rule
+	public final DatabaseSelectionRule skip = DatabaseSelectionRule.skipTestsFor( DB2 );
+
 	@Override
 	protected Set<Class<?>> annotatedEntities() {
 		return Set.of( Basic.class );