Rails5: fix mysql milliseconds problem in project registry spec

ee/changelogs/unreleased/rails5-fix-project-registry-spec.yml

+---
+title: 'Rails5: fix mysql milliseconds problem in project registry spec'
+merge_request: 6943
+author: Jasper Maes
+type: fixed

ee/spec/models/geo/project_registry_spec.rb

@@ -264,7 +264,7 @@ describe Geo::ProjectRegistry do
       it 'sets last_repository_synced_at to now' do
         subject.start_sync!(type)
 
-        expect(subject.last_repository_synced_at).to eq(Time.now)
+        expect(subject.last_repository_synced_at).to be_like_time(Time.now)
       end
 
       shared_examples_for 'sets repository_retry_at to a future time' do
@@ -320,7 +320,7 @@ describe Geo::ProjectRegistry do
       it 'sets last_wiki_synced_at to now' do
         subject.start_sync!(type)
 
-        expect(subject.last_wiki_synced_at).to eq(Time.now)
+        expect(subject.last_wiki_synced_at).to be_like_time(Time.now)
       end
 
       shared_examples_for 'sets wiki_retry_at to a future time' do