[#1149] Fixed failing tests. Ensured Instance.set_unreachable/2 supports ISO 8601 datetime.

test/web/federator_test.exs

@@ -249,7 +249,8 @@ defmodule Pleroma.Web.FederatorTest do
         File.read!("test/fixtures/mastodon-post-activity.json")
         |> Poison.decode!()
 
-      assert Federator.incoming_ap_doc(params) == :error
+      assert {:ok, job} = Federator.incoming_ap_doc(params)
+      assert :error = ObanHelpers.perform(job)
 
       Pleroma.Config.put([:instance, :rewrite_policy], policies)
       Pleroma.Config.put(:mrf_keyword, mrf_keyword_policy)

test/web/instances/instance_test.exs

@@ -22,7 +22,8 @@ defmodule Pleroma.Instances.InstanceTest do
 
   describe "set_reachable/1" do
     test "clears `unreachable_since` of existing matching Instance record having non-nil `unreachable_since`" do
-      instance = insert(:instance, unreachable_since: NaiveDateTime.utc_now())
+      unreachable_since = NaiveDateTime.to_iso8601(NaiveDateTime.utc_now())
+      instance = insert(:instance, unreachable_since: unreachable_since)
 
       assert {:ok, instance} = Instance.set_reachable(instance.host)
       refute instance.unreachable_since