PostgreSQLDataSourceChecker extends AbstractDataSourceChecker { @Override public void checkVariable(final Collection<? extends DataSource> dataSources) { }  @Override void checkPrivilege(final Collection<? extends DataSource> dataSources); @Override void checkVariable(final Collection<? extends DataSource> dataSources);  }
@Test public void assertCheckVariable() { PostgreSQLDataSourceChecker dataSourceChecker = new PostgreSQLDataSourceChecker(); dataSourceChecker.checkVariable(dataSources); }