fix integration tests setup
<groupId>org.hsqldb</groupId>
<artifactId>hsqldb</artifactId>
<version>${hsqldb.version}</version>
+ <classifier>jdk8</classifier>
</dependency>
<dependency>
<groupId>org.hsqldb</groupId>
<groupId>org.hsqldb</groupId>
<artifactId>hsqldb</artifactId>
<classpath>shared</classpath>
+ <classifier>jdk8</classifier>
</dependency>
</dependencies>
</container>
