Code review comment for lp:~alecu/unity-scope-click/show-purchaseable-flag

58 + ASSERT_EQ(unsetenv(Configuration::PURCHASES_ENVVAR), 0);

You also need to add this line in the tests in tests_query.cpp where the environment variable is being set. As the tests are a single process, setting the environment, and not unsetting it at the end of each test where it is set, can bleed the value over to other tests.