debian: List public Dpkg::Control::Tests module in libdpkg-perl description

debian/changelog

@@ -24,6 +24,8 @@ dpkg (1.18.14) UNRELEASED; urgency=medium
     - Explicitly mention in dpkg-buildpackage(1) that setting the number
       of parallel jobs to 1, restores the serial behavior.
       Prompted by Thorsten Glaser <t.glaser@tarent.de>.
+  * Packaging:
+    - List public Dpkg::Control::Tests module in libdpkg-perl description.
   * Test suite:
     - Do not fail tests on missing fakeroot, just skip them.
   * Build system:

debian/control

@@ -169,6 +169,7 @@ Description: Dpkg perl modules
   - Dpkg::Control::Fields: manage (list of known) control fields
   - Dpkg::Control::Hash: parse and manipulate a block of RFC822-like fields
   - Dpkg::Control::Info: parse files like debian/control
+  - Dpkg::Control::Tests: parse files like debian/tests/control
   - Dpkg::Deps: parse and manipulate dependencies
   - Dpkg::Exit: push, pop and run exit handlers
   - Dpkg::Gettext: wrapper around Locale::gettext