(Hopefully) improve grammar

[CI skip]

test/mobilizon/actors/actors_test.exs

@@ -72,7 +72,7 @@ defmodule Mobilizon.ActorsTest do
       assert actor_id == Users.get_actor_for_user(user).id
     end
 
-    test "get_actor_with_preload/1 returns the actor with it's organized events", %{
+    test "get_actor_with_preload/1 returns the actor with its organized events", %{
       actor: actor
     } do
       assert Actors.get_actor_with_preload(actor.id).organized_events == []
@@ -113,7 +113,7 @@ defmodule Mobilizon.ActorsTest do
       end
     end
 
-    test "get_local_actor_by_name_with_preload!/1 returns the local actor with it's organized events",
+    test "get_local_actor_by_name_with_preload!/1 returns the local actor with its organized events",
          %{
            actor: actor
          } do
@@ -130,7 +130,7 @@ defmodule Mobilizon.ActorsTest do
       assert event_found_id == event.id
     end
 
-    test "get_actor_by_name_with_preload!/1 returns the local actor with it's organized events",
+    test "get_actor_by_name_with_preload!/1 returns the local actor with its organized events",
          %{
            actor: actor
          } do
@@ -147,7 +147,7 @@ defmodule Mobilizon.ActorsTest do
       assert event_found_id == event.id
     end
 
-    test "get_actor_by_name_with_preload!/1 returns the remote actor with it's organized events" do
+    test "get_actor_by_name_with_preload!/1 returns the remote actor with its organized events" do
       use_cassette "actors/remote_actor_mastodon_tcit" do
         with {:ok, %Actor{} = actor} <- ActivityPub.get_or_fetch_by_url(@remote_account_url) do
           assert Actors.get_actor_by_name_with_preload(
@@ -230,7 +230,7 @@ defmodule Mobilizon.ActorsTest do
       refute actor.suspended
     end
 
-    test "update_actor/2 with valid data updates the actor and it's media files", %{
+    test "update_actor/2 with valid data updates the actor and its media files", %{
       actor: %Actor{avatar: %{url: avatar_url}, banner: %{url: banner_url}} = actor
     } do
       %URI{path: "/media/" <> avatar_path} = URI.parse(avatar_url)

test/mobilizon/service/activity_pub/activity_pub_test.exs

@@ -42,7 +42,7 @@ defmodule Mobilizon.Service.ActivityPub.ActivityPubTest do
     end
   end
 
-  describe "fetching actor from it's url" do
+  describe "fetching actor from its url" do
     test "returns an actor from nickname" do
       use_cassette "activity_pub/fetch_tcit@framapiaf.org" do
         assert {:ok, %Actor{preferred_username: "tcit", domain: "framapiaf.org"} = actor} =

test/mobilizon/users/users_test.exs

@@ -74,7 +74,7 @@ defmodule Mobilizon.UsersTest do
                Users.authenticate(%{user: user, password: "bad password"})
     end
 
-    test "get_user_by_email/1 finds an user by it's email" do
+    test "get_user_by_email/1 finds an user by its email" do
       {:ok, %User{email: email} = user} = Users.register(%{email: @email, password: @password})
 
       assert email == @email
@@ -83,7 +83,7 @@ defmodule Mobilizon.UsersTest do
       assert {:error, :user_not_found} = Users.get_user_by_email("no email")
     end
 
-    test "get_user_by_email/1 finds an activated user by it's email" do
+    test "get_user_by_email/1 finds an activated user by its email" do
       {:ok, %User{} = user} = Users.register(%{email: @email, password: @password})
 
       {:ok, %User{id: id}} = Users.get_user_by_email(@email, false)

test/mobilizon_web/resolvers/group_resolver_test.exs

@@ -106,7 +106,7 @@ defmodule MobilizonWeb.Resolvers.GroupResolverTest do
                group.preferred_username
     end
 
-    test "find_group/3 returns a group by it's username", context do
+    test "find_group/3 returns a group by its username", context do
       group = insert(:group)
 
       query = """

test/mobilizon_web/resolvers/participant_resolver_test.exs

@@ -141,7 +141,7 @@ defmodule MobilizonWeb.Resolvers.ParticipantResolverTest do
         |> post("/api", AbsintheHelpers.mutation_skeleton(mutation))
 
       assert hd(json_response(res, 200)["errors"])["message"] ==
-               "The event has already reached it's maximum capacity"
+               "The event has already reached its maximum capacity"
     end
 
     test "actor_join_event/3 should check the actor is owned by the user", %{

test/mobilizon_web/resolvers/person_resolver_test.exs

@@ -7,7 +7,7 @@ defmodule MobilizonWeb.Resolvers.PersonResolverTest do
   @non_existent_username "nonexistent"
 
   describe "Person Resolver" do
-    test "get_person/3 returns a person by it's username", context do
+    test "get_person/3 returns a person by its username", context do
       user = insert(:user)
       actor = insert(:actor, user: user)
 
@@ -44,7 +44,7 @@ defmodule MobilizonWeb.Resolvers.PersonResolverTest do
                "Person with ID 6895567 not found"
     end
 
-    test "find_person/3 returns a person by it's username", context do
+    test "find_person/3 returns a person by its username", context do
       user = insert(:user)
       actor = insert(:actor, user: user)
 

test/mobilizon_web/resolvers/user_resolver_test.exs

@@ -18,7 +18,7 @@ defmodule MobilizonWeb.Resolvers.UserResolverTest do
   @valid_single_actor_params %{preferred_username: "test2", keys: "yolo"}
 
   describe "Resolver: Get an user" do
-    test "find_user/3 returns an user by it's id", context do
+    test "find_user/3 returns an user by its id", context do
       user = insert(:user)
 
       query = """