rubocop-minitest added

.rubocop.yml

@@ -1,15 +1,23 @@
 require:
   - rubocop-performance
   - rubocop-rails
-
-Rails:
-  Enabled: true
+  - rubocop-minitest
 
 AllCops:
   TargetRubyVersion: 2.6
   TargetRailsVersion: 5.2
   NewCops: enable
 
+Rails:
+  Enabled: true
+
+Minitest/MultipleAssertions:
+  Max: 5
+  Enabled: true
+
+Minitest/AssertPredicate:
+  Enabled: false
+
 Metrics:
   Enabled: false
 

test/unit/issue_test.rb

@@ -26,6 +26,6 @@ class IssueTest < ActiveSupport::TestCase
     issue = Issue.new project_id: 1, tracker_id: 1, author_id: 3, subject: 'test_create'
     assert_save issue
     assert_equal issue.tracker.default_status, issue.status
-    assert issue.description.nil?
+    assert_nil issue.description
   end
 end