Dpkg::Control::FieldsCore: Add support for Testsuite source field

This field is used to specify what type of test suite is present
in the source package. The values within are comma separated.

debian/changelog

@@ -31,6 +31,7 @@ dpkg (1.17.6) UNRELEASED; urgency=low
   * Allow updating checksums in Dpkg::Checksums without erroring out.
   * Add shell hooks support to dpkg-buildpackage, based on the debuild
     implementation in devscripts 2.13.9. Closes: #476221
+  * Add support for Testsuite source field.
 
   [ Updated dpkg translations ]
   * Swedish (Peter Krefting).

scripts/Dpkg/Control/FieldsCore.pm

@@ -277,6 +277,10 @@ our %FIELDS = (
     'Task' => {
         allowed => ALL_PKG,
     },
+    'Testsuite' => {
+        allowed => ALL_SRC,
+        separator => FIELD_SEP_COMMA,
+    },
     'Triggers-Awaited' => {
         allowed => CTRL_FILE_STATUS,
         separator => FIELD_SEP_SPACE,
@@ -350,7 +354,7 @@ our %FIELD_ORDER = (
         qw(Format Source Binary Architecture Version Origin Maintainer
         Uploaders Homepage Standards-Version Vcs-Browser
         Vcs-Arch Vcs-Bzr Vcs-Cvs Vcs-Darcs Vcs-Git Vcs-Hg Vcs-Mtn
-        Vcs-Svn), &field_list_src_dep(), qw(Package-List),
+        Vcs-Svn Testsuite), &field_list_src_dep(), qw(Package-List),
         @checksum_fields, qw(Files)
     ],
     CTRL_FILE_CHANGES() => [