test_portfolio_callers unit tests all fail (need migrating)

Referring to the following tests, all of these fail for the same reason (hopefully trivial fix):

Exception: mod/assignment/simpletest/test_assignment_portfolio_callers.php / ?
Unit test "testAssignmentPortfolioCallers" of type FakeDBUnitTestCase no longer supported. Must be migrated to UnitTestCaseUsingDatabase.
Exception: mod/chat/simpletest/test_chat_portfolio_callers.php / ?
Unit test "testChatPortfolioCallers" of type FakeDBUnitTestCase no longer supported. Must be migrated to UnitTestCaseUsingDatabase.
Exception: mod/data/simpletest/test_data_portfolio_callers.php / ?
Unit test "testDataPortfolioCallers" of type FakeDBUnitTestCase no longer supported. Must be migrated to UnitTestCaseUsingDatabase.
Exception: mod/forum/simpletest/test_forum_portfolio_callers.php / ?
Unit test "testForumPortfolioCallers" of type FakeDBUnitTestCase no longer supported. Must be migrated to UnitTestCaseUsingDatabase.
Exception: mod/glossary/simpletest/test_glossary_portfolio_callers.php / ?
Unit test "testGlossaryPortfolioCallers" of type FakeDBUnitTestCase no longer supported. Must be migrated to UnitTestCaseUsingDatabase.