Fix codestyle of announcement controller spec

spec/controllers/announcement_controller_spec.rb

@@ -24,7 +24,7 @@ describe AnnouncementController, type: :controller do
       end
 
       context "one announcement" do
-        let!(:announcement) { Announcement.create(content: "I am announcement", user: user, starts_at: Time.current, ends_at: Time.current + 2.days) }
+        let!(:announcement) { Announcement.create(content: "I am announcement", user: user, starts_at: Time.current, ends_at: 2.days.from_now) }
 
         it "includes the announcement in the @announcements assign" do
           subject
@@ -53,7 +53,7 @@ describe AnnouncementController, type: :controller do
         announcement: {
           content:   "I like dogs!",
           starts_at: Time.current,
-          ends_at: Time.current + 2.days
+          ends_at:   2.days.from_now
         }
       }
     end
@@ -81,7 +81,7 @@ describe AnnouncementController, type: :controller do
           announcement: {
             content:   "I like dogs!",
             starts_at: Time.current,
-            ends_at: Time.current - 2.days
+            ends_at:   2.days.ago
           }
         }
       end
@@ -96,8 +96,8 @@ describe AnnouncementController, type: :controller do
   describe "#edit" do
     let! :announcement do
       Announcement.create(content:   "Dogs are pretty cool, I guess",
-                          starts_at: Time.current + 3.days,
+                          starts_at: 3.days.from_now,
-                          ends_at: Time.current + 10.days,
+                          ends_at:   10.days.from_now,
                           user:      user)
     end
 
@@ -122,8 +122,8 @@ describe AnnouncementController, type: :controller do
 
     let! :announcement do
       Announcement.create(content:   "Dogs are pretty cool, I guess",
-                          starts_at: Time.current + 3.days,
+                          starts_at: 3.days.from_now,
-                          ends_at: Time.current + 10.days,
+                          ends_at:   10.days.from_now,
                           user:      user)
     end
 
@@ -156,7 +156,7 @@ describe AnnouncementController, type: :controller do
         {
           content:   "I like dogs!",
           starts_at: Time.current,
-          ends_at: Time.current - 2.days
+          ends_at:   2.days.ago
         }
       end
 
@@ -177,8 +177,8 @@ describe AnnouncementController, type: :controller do
   describe "#destroy" do
     let! :announcement do
       Announcement.create(content:   "Dogs are pretty cool, I guess",
-                          starts_at: Time.current + 3.days,
+                          starts_at: 3.days.from_now,
-                          ends_at: Time.current + 10.days,
+                          ends_at:   10.days.from_now,
                           user:      user)
     end
 
@@ -198,4 +198,3 @@ describe AnnouncementController, type: :controller do
     end
   end
 end
-