Fix user fixtures for development

db/fixtures/development/05_users.rb

 Gitlab::Seeder.quiet do
   (2..20).each  do |i|
     begin
-      User.seed(:id, [{
-        id: i,
+      User.create!(
         username: Faker::Internet.user_name,
         name: Faker::Name.name,
         email: Faker::Internet.email,
-        confirmed_at: DateTime.now
-      }])
+        confirmed_at: DateTime.now,
+        password: '12345678'
+      )
+
       print '.'
-    rescue ActiveRecord::RecordNotSaved
+    rescue ActiveRecord::RecordInvalid
       print 'F'
     end
   end
 
   (1..5).each do |i|
     begin
-      User.seed do |s|
-        s.username = "user#{i}"
-        s.name = "User #{i}"
-        s.email = "user#{i}@example.com"
-        s.confirmed_at = DateTime.now
-        s.password = '12345678'
-      end
+      User.create!(
+        username: "user#{i}",
+        name: "User #{i}",
+        email: "user#{i}@example.com",
+        confirmed_at: DateTime.now,
+        password: '12345678'
+      )
       print '.'
-    rescue ActiveRecord::RecordNotSaved
+    rescue ActiveRecord::RecordInvalid
       print 'F'
     end
   end