Fix naming of test 28.

diff --git a/test/28-tab-instead-of-space.tpkg/28-tab-between-cstrings-2.db b/test/28-tab-instead-of-space.tpkg/28-tab-instead-of-space.db
similarity index 100%
rename from test/28-tab-instead-of-space.tpkg/28-tab-between-cstrings-2.db
rename to test/28-tab-instead-of-space.tpkg/28-tab-instead-of-space.db

diff --git a/test/28-tab-instead-of-space.tpkg/28-tab-between-cstrings-2.dsc b/test/28-tab-instead-of-space.tpkg/28-tab-instead-of-space.dsc
similarity index 100%
rename from test/28-tab-instead-of-space.tpkg/28-tab-between-cstrings-2.dsc
rename to test/28-tab-instead-of-space.tpkg/28-tab-instead-of-space.dsc

diff --git a/test/28-tab-instead-of-space.tpkg/28-tab-between-cstrings-2.help b/test/28-tab-instead-of-space.tpkg/28-tab-instead-of-space.help
similarity index 100%
rename from test/28-tab-instead-of-space.tpkg/28-tab-between-cstrings-2.help
rename to test/28-tab-instead-of-space.tpkg/28-tab-instead-of-space.help

diff --git a/test/28-tab-instead-of-space.tpkg/28-tab-between-cstrings-2.test b/test/28-tab-instead-of-space.tpkg/28-tab-instead-of-space.test
similarity index 100%
rename from test/28-tab-instead-of-space.tpkg/28-tab-between-cstrings-2.test
rename to test/28-tab-instead-of-space.tpkg/28-tab-instead-of-space.test