Fix specs

2 files changed, 6 insertions, 5 deletions

diff --git a/spec/models/concerns/cache_markdown_field_spec.rb b/spec/models/concerns/cache_markdown_field_spec.rb
index 2e3702f7520..6151d53cd91 100644
--- a/spec/models/concerns/cache_markdown_field_spec.rb
+++ b/spec/models/concerns/cache_markdown_field_spec.rb
@@ -1,7 +1,8 @@
 require 'spec_helper'
 
 describe CacheMarkdownField do
-  CacheMarkdownField::CACHING_CLASSES << "ThingWithMarkdownFields"
+  caching_classes = CacheMarkdownField::CACHING_CLASSES
+  CacheMarkdownField::CACHING_CLASSES = ["ThingWithMarkdownFields"].freeze
 
   # The minimum necessary ActiveModel to test this concern
   class ThingWithMarkdownFields
@@ -54,7 +55,7 @@ describe CacheMarkdownField do
     end
   end
 
-  CacheMarkdownField::CACHING_CLASSES.delete("ThingWithMarkdownFields")
+  CacheMarkdownField::CACHING_CLASSES = caching_classes
 
   def thing_subclass(new_attr)
     Class.new(ThingWithMarkdownFields) { add_attr(new_attr) }
diff --git a/spec/models/repository_spec.rb b/spec/models/repository_spec.rb
index c3d4365639d..a3fe412b229 100644
--- a/spec/models/repository_spec.rb
+++ b/spec/models/repository_spec.rb
@@ -1382,13 +1382,13 @@ describe Repository, models: true do
 
   describe '#branch_count' do
     it 'returns the number of branches' do
-      expect(repository.branch_count).to be_an_instance_of(Integer)
+      expect(repository.branch_count).to be_an(Integer)
     end
   end
 
   describe '#tag_count' do
     it 'returns the number of tags' do
-      expect(repository.tag_count).to be_an_instance_of(Integer)
+      expect(repository.tag_count).to be_an(Integer)
     end
   end
 
@@ -1738,7 +1738,7 @@ describe Repository, models: true do
 
     context 'with an existing repository' do
       it 'returns the commit count' do
-        expect(repository.commit_count).to be_an_instance_of(Integer)
+        expect(repository.commit_count).to be_an(Integer)
       end
     end
   end