public class ORMUnitTestCase extends BaseCoreFunctionalTestCase {
    ...
    protected void configure(Configuration configuration) {
         ...
        configuration.setProperty( AvailableSettings.HBM2DDL_AUTO, "update");
    }

    @Entity
    @Table(name = "parent", schema = "foo")
    class Parent {
        @Id
        int id;
    }

    @Entity
    @Table(name = "child", schema = "bar")
    class Child {
        @Id
        int id;

        @ManyToOne
        Parent parent;
    }
}

org.hibernate.testing.junit4.CallbackException: org.hibernate.testing.junit4.BaseCoreFunctionalTestCase#buildSessionFactory
	at org.hibernate.testing.junit4.TestClassMetadata.performCallbackInvocation(TestClassMetadata.java:203)
	at org.hibernate.testing.junit4.TestClassMetadata.invokeCallback(TestClassMetadata.java:187)
	at org.hibernate.testing.junit4.TestClassMetadata.performCallbacks(TestClassMetadata.java:181)
	at org.hibernate.testing.junit4.TestClassMetadata.performBeforeClassCallbacks(TestClassMetadata.java:172)
	at org.hibernate.testing.junit4.BeforeClassCallbackHandler.evaluate(BeforeClassCallbackHandler.java:25)
	at org.hibernate.testing.junit4.AfterClassCallbackHandler.evaluate(AfterClassCallbackHandler.java:25)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:309)
	at org.junit.runner.JUnitCore.run(JUnitCore.java:160)
	at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:119)
	at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:42)
	at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:234)
	at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:74)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at com.intellij.rt.execution.application.AppMain.main(AppMain.java:144)
Caused by: org.hibernate.tool.schema.spi.SchemaManagementException: Attempt to resolve foreign key metadata from JDBC metadata failed to find column mappings for foreign key named [FK7DAG1CNCLTPYHOC2MBWKA356H]
	at org.hibernate.tool.schema.extract.internal.InformationExtractorJdbcDatabaseMetaDataImpl$ForeignKeyBuilderImpl.build(InformationExtractorJdbcDatabaseMetaDataImpl.java:727)
	at org.hibernate.tool.schema.extract.internal.InformationExtractorJdbcDatabaseMetaDataImpl$ForeignKeyBuilderImpl.build(InformationExtractorJdbcDatabaseMetaDataImpl.java:708)
	at org.hibernate.tool.schema.extract.internal.InformationExtractorJdbcDatabaseMetaDataImpl.getForeignKeys(InformationExtractorJdbcDatabaseMetaDataImpl.java:691)
	at org.hibernate.tool.schema.extract.internal.TableInformationImpl.foreignKeys(TableInformationImpl.java:88)
	at org.hibernate.tool.schema.extract.internal.TableInformationImpl.getForeignKey(TableInformationImpl.java:99)
	at org.hibernate.tool.schema.internal.SchemaMigratorImpl.findMatchingForeignKey(SchemaMigratorImpl.java:530)
	at org.hibernate.tool.schema.internal.SchemaMigratorImpl.applyForeignKeys(SchemaMigratorImpl.java:506)
	at org.hibernate.tool.schema.internal.SchemaMigratorImpl.performMigration(SchemaMigratorImpl.java:315)
	at org.hibernate.tool.schema.internal.SchemaMigratorImpl.doMigration(SchemaMigratorImpl.java:137)
	at org.hibernate.tool.schema.internal.SchemaMigratorImpl.doMigration(SchemaMigratorImpl.java:110)
	at org.hibernate.tool.schema.spi.SchemaManagementToolCoordinator.performDatabaseAction(SchemaManagementToolCoordinator.java:176)
	at org.hibernate.tool.schema.spi.SchemaManagementToolCoordinator.process(SchemaManagementToolCoordinator.java:65)
	at org.hibernate.internal.SessionFactoryImpl.<init>(SessionFactoryImpl.java:308)
	at org.hibernate.boot.internal.SessionFactoryBuilderImpl.build(SessionFactoryBuilderImpl.java:476)
	at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:707)
	at org.hibernate.testing.junit4.BaseCoreFunctionalTestCase.buildSessionFactory(BaseCoreFunctionalTestCase.java:106)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.hibernate.testing.junit4.TestClassMetadata.performCallbackInvocation(TestClassMetadata.java:200)
	... 16 more

org.hibernate.testing.junit4.CallbackException: org.hibernate.testing.junit4.BaseCoreFunctionalTestCase#buildSessionFactory

	at org.hibernate.testing.junit4.TestClassMetadata.performCallbackInvocation(TestClassMetadata.java:203)
	at org.hibernate.testing.junit4.TestClassMetadata.invokeCallback(TestClassMetadata.java:187)
	at org.hibernate.testing.junit4.TestClassMetadata.performCallbacks(TestClassMetadata.java:181)
	at org.hibernate.testing.junit4.TestClassMetadata.performBeforeClassCallbacks(TestClassMetadata.java:172)
	at org.hibernate.testing.junit4.BeforeClassCallbackHandler.evaluate(BeforeClassCallbackHandler.java:25)
	at org.hibernate.testing.junit4.AfterClassCallbackHandler.evaluate(AfterClassCallbackHandler.java:25)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:309)
	at org.junit.runner.JUnitCore.run(JUnitCore.java:160)
	at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:119)
	at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:42)
	at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:234)
	at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:74)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at com.intellij.rt.execution.application.AppMain.main(AppMain.java:144)
Caused by: org.hibernate.tool.schema.spi.SchemaManagementException: Attempt to resolve foreign key metadata from JDBC metadata failed to find column mappings for foreign key named [FK7DAG1CNCLTPYHOC2MBWKA356H]
	at org.hibernate.tool.schema.extract.internal.InformationExtractorJdbcDatabaseMetaDataImpl$ForeignKeyBuilderImpl.build(InformationExtractorJdbcDatabaseMetaDataImpl.java:727)
	at org.hibernate.tool.schema.extract.internal.InformationExtractorJdbcDatabaseMetaDataImpl$ForeignKeyBuilderImpl.build(InformationExtractorJdbcDatabaseMetaDataImpl.java:708)
	at org.hibernate.tool.schema.extract.internal.InformationExtractorJdbcDatabaseMetaDataImpl.getForeignKeys(InformationExtractorJdbcDatabaseMetaDataImpl.java:691)
	at org.hibernate.tool.schema.extract.internal.TableInformationImpl.foreignKeys(TableInformationImpl.java:88)
	at org.hibernate.tool.schema.extract.internal.TableInformationImpl.getForeignKey(TableInformationImpl.java:99)
	at org.hibernate.tool.schema.internal.SchemaMigratorImpl.findMatchingForeignKey(SchemaMigratorImpl.java:530)
	at org.hibernate.tool.schema.internal.SchemaMigratorImpl.applyForeignKeys(SchemaMigratorImpl.java:506)
	at org.hibernate.tool.schema.internal.SchemaMigratorImpl.performMigration(SchemaMigratorImpl.java:315)
	at org.hibernate.tool.schema.internal.SchemaMigratorImpl.doMigration(SchemaMigratorImpl.java:137)
	at org.hibernate.tool.schema.internal.SchemaMigratorImpl.doMigration(SchemaMigratorImpl.java:110)
	at org.hibernate.tool.schema.spi.SchemaManagementToolCoordinator.performDatabaseAction(SchemaManagementToolCoordinator.java:176)
	at org.hibernate.tool.schema.spi.SchemaManagementToolCoordinator.process(SchemaManagementToolCoordinator.java:65)
	at org.hibernate.internal.SessionFactoryImpl.<init>(SessionFactoryImpl.java:308)
	at org.hibernate.boot.internal.SessionFactoryBuilderImpl.build(SessionFactoryBuilderImpl.java:476)
	at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:707)
	at org.hibernate.testing.junit4.BaseCoreFunctionalTestCase.buildSessionFactory(BaseCoreFunctionalTestCase.java:106)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.hibernate.testing.junit4.TestClassMetadata.performCallbackInvocation(TestClassMetadata.java:200)
	... 16 more