Update rspec syntax to v3

update rspec syntax to v3

change syntax to rspec v3

oops. fix typo

mailers classes with rspec3 syntax

helpers with rspec3 syntax

jobs with rspec3 syntax

serializers with rspec3 syntax

views with rspec3 syntax

support to rspec3 syntax

category spec with rspec3 syntax

spec/jobs/enqueue_digest_emails_spec.rb

@@ -10,7 +10,7 @@ describe Jobs::EnqueueDigestEmails do
       let!(:user_no_digests) { Fabricate(:active_user, email_digests: false, last_emailed_at: 8.days.ago, last_seen_at: 10.days.ago) }
 
       it "doesn't return users with email disabled" do
-        Jobs::EnqueueDigestEmails.new.target_user_ids.include?(user_no_digests.id).should == false
+        expect(Jobs::EnqueueDigestEmails.new.target_user_ids.include?(user_no_digests.id)).to eq(false)
       end
     end
 
@@ -36,7 +36,7 @@ describe Jobs::EnqueueDigestEmails do
       let!(:user_emailed_recently) { Fabricate(:active_user, last_emailed_at: 6.days.ago) }
 
       it "doesn't return users who have been emailed recently" do
-        Jobs::EnqueueDigestEmails.new.target_user_ids.include?(user_emailed_recently.id).should == false
+        expect(Jobs::EnqueueDigestEmails.new.target_user_ids.include?(user_emailed_recently.id)).to eq(false)
       end
 
     end
@@ -45,7 +45,7 @@ describe Jobs::EnqueueDigestEmails do
       let!(:inactive_user) { Fabricate(:user, active: false) }
 
       it "doesn't return users who have been emailed recently" do
-        Jobs::EnqueueDigestEmails.new.target_user_ids.include?(inactive_user.id).should == false
+        expect(Jobs::EnqueueDigestEmails.new.target_user_ids.include?(inactive_user.id)).to eq(false)
       end
     end
 
@@ -53,7 +53,7 @@ describe Jobs::EnqueueDigestEmails do
       let!(:suspended_user) { Fabricate(:user, suspended_till: 1.week.from_now, suspended_at: 1.day.ago) }
 
       it "doesn't return users who are suspended" do
-        Jobs::EnqueueDigestEmails.new.target_user_ids.include?(suspended_user.id).should == false
+        expect(Jobs::EnqueueDigestEmails.new.target_user_ids.include?(suspended_user.id)).to eq(false)
       end
     end
 
@@ -63,12 +63,12 @@ describe Jobs::EnqueueDigestEmails do
 
       it "doesn't return users who have been emailed recently" do
         user = user_visited_this_week
-        Jobs::EnqueueDigestEmails.new.target_user_ids.include?(user.id).should == false
+        expect(Jobs::EnqueueDigestEmails.new.target_user_ids.include?(user.id)).to eq(false)
       end
 
       it "does return users who have been emailed recently but have email_always set" do
         user = user_visited_this_week_email_always
-        Jobs::EnqueueDigestEmails.new.target_user_ids.include?(user.id).should == true
+        expect(Jobs::EnqueueDigestEmails.new.target_user_ids.include?(user.id)).to eq(true)
       end
     end
 
@@ -76,7 +76,7 @@ describe Jobs::EnqueueDigestEmails do
       let!(:user) { Fabricate(:active_user) }
 
       it "returns the user" do
-        Jobs::EnqueueDigestEmails.new.target_user_ids.should == [user.id]
+        expect(Jobs::EnqueueDigestEmails.new.target_user_ids).to eq([user.id])
       end
     end