tor: re-enable all test (except a broken one)

pkgs/tools/security/tor/default.nix

@@ -1,5 +1,6 @@
 { stdenv, fetchurl, pkgconfig, libevent, openssl, zlib, torsocks
 , libseccomp, systemd, libcap
+, writeText
 
 # for update.nix
 , writeScript
@@ -22,6 +23,19 @@ stdenv.mkDerivation rec {
     sha256 = "1vnb2wkcmm8rnz0fqi3k7arl60mpycs8rjn8hvbgv56g3p1pgpv0";
   };
 
+  patches = [
+    # https://github.com/NixOS/nixpkgs/pull/45082#issuecomment-413549813
+    (writeText "disable-test_tortls.diff" ''
+      --- a/src/test/test_tortls.c
+      +++ b/src/test/test_tortls.c
+      @@ -574,3 +574,4 @@
+       test_tortls_cert_matches_key(void *ignored)
+       {
+      +  return;
+         (void)ignored;
+    '')
+  ];
+
   outputs = [ "out" "geoip" ];
 
   enableParallelBuilding = true;
@@ -44,9 +58,7 @@ stdenv.mkDerivation rec {
     rm -rf $out/share/tor
   '';
 
-  # FIXME: disable/fix one test instead
-  # https://github.com/NixOS/nixpkgs/pull/45082#issuecomment-413549813
-  doCheck = false;
+  doCheck = true;
 
   passthru.updateScript = import ./update.nix {
     inherit (stdenv) lib;