Fix compilation warnings and prepare to be a dependency.

test/config_test.erl

@@ -1,5 +1,5 @@
 -module(config_test).
--compile([export_all]).
+-compile([export_all,nowarn_export_all]).
 -include_lib("eunit/include/eunit.hrl").
 -include("src/geef_records.hrl").
 

test/pkt_test.erl

@@ -1,5 +1,5 @@
 -module(pkt_test).
--compile([export_all]).
+-compile([export_all,nowarn_export_all]).
 -include_lib("eunit/include/eunit.hrl").
 -include("src/geef_records.hrl").
 

test/ref_test.erl

@@ -1,5 +1,5 @@
 -module(ref_test).
--compile([export_all]).
+-compile([export_all,nowarn_export_all]).
 
 -include_lib("eunit/include/eunit.hrl").
 -include("src/geef_records.hrl").

test/repo_test.erl

@@ -1,5 +1,5 @@
 -module(repo_test).
--compile([export_all]).
+-compile([export_all,nowarn_export_all]).
 -include_lib("eunit/include/eunit.hrl").
 -include("src/geef_records.hrl").
 
@@ -117,7 +117,7 @@ commit_tree_test(Repo) ->
     CommitId = geef_oid:parse("bf968373f95f8fed2a24f9d25ebf06521359c6bc"),
     {ok, Commit} = geef_commit:lookup(Repo, CommitId),
     Resp = geef_commit:tree(Commit),
-    [?_assertMatch({ok, _}, Resp)].
+    [?_assertMatch({ok, _, _}, Resp)].
 
 rm_r(Path) ->
     case filelib:is_dir(Path) of

test/revwalk_test.erl

@@ -1,5 +1,5 @@
 -module(revwalk_test).
--compile([export_all]).
+-compile([export_all,nowarn_export_all]).
 -include_lib("eunit/include/eunit.hrl").
 
 repo_test_() ->