mautrix-signal: add version test

Signed-off-by: Christoph Heiss <[email protected]>

pkgs/servers/mautrix-signal/default.nix

@@ -6,6 +6,8 @@
   fetchpatch,
   olm,
   libsignal-ffi,
+  testers,
+  mautrix-signal,
   # This option enables the use of an experimental pure-Go implementation of
   # the Olm protocol instead of libolm for end-to-end encryption. Using goolm
   # is not recommended by the mautrix developers, but they are interested in
@@ -53,6 +55,10 @@ buildGoModule rec {
     export LD_LIBRARY_PATH="${stdenv.cc.cc.lib}/lib:$LD_LIBRARY_PATH"
   '';
 
+  passthru.tests.version = testers.testVersion {
+    package = mautrix-signal;
+  };
+
   meta = with lib; {
     homepage = "https://github.com/mautrix/signal";
     description = "Matrix-Signal puppeting bridge";