Minor model spec cleanups

Snippet model was missing project association

app/models/snippet.rb

@@ -24,7 +24,8 @@ class Snippet < ActiveRecord::Base
 
   default_value_for :visibility_level, Snippet::PRIVATE
 
-  belongs_to :author, class_name: "User"
+  belongs_to :author, class_name: 'User'
+  belongs_to :project
 
   has_many :notes, as: :noteable, dependent: :destroy
 

spec/models/issue_spec.rb

@@ -60,11 +60,8 @@ describe Issue do
 
   describe '#is_being_reassigned?' do
     it 'returns issues assigned to user' do
-      user = create :user
-
-      2.times do
-        issue = create :issue, assignee: user
-      end
+      user = create(:user)
+      create_list(:issue, 2, assignee: user)
 
       expect(Issue.open_for(user).count).to eq 2
     end

spec/models/merge_request_spec.rb

@@ -26,6 +26,13 @@ require 'spec_helper'
 describe MergeRequest do
   subject { create(:merge_request) }
 
+  describe 'associations' do
+    it { is_expected.to belong_to(:target_project).with_foreign_key(:target_project_id).class_name('Project') }
+    it { is_expected.to belong_to(:source_project).with_foreign_key(:source_project_id).class_name('Project') }
+
+    it { is_expected.to have_one(:merge_request_diff).dependent(:destroy) }
+  end
+
   describe 'modules' do
     subject { described_class }
 
@@ -36,22 +43,12 @@ describe MergeRequest do
     it { is_expected.to include_module(Taskable) }
   end
 
-  describe 'associations' do
-    it { is_expected.to belong_to(:target_project).with_foreign_key(:target_project_id).class_name('Project') }
-    it { is_expected.to belong_to(:source_project).with_foreign_key(:source_project_id).class_name('Project') }
-
-    it { is_expected.to have_one(:merge_request_diff).dependent(:destroy) }
-  end
-
   describe 'validation' do
     it { is_expected.to validate_presence_of(:target_branch) }
     it { is_expected.to validate_presence_of(:source_branch) }
   end
 
-  describe "Mass assignment" do
-  end
-
-  describe "Respond to" do
+  describe 'respond to' do
     it { is_expected.to respond_to(:unchecked?) }
     it { is_expected.to respond_to(:can_be_merged?) }
     it { is_expected.to respond_to(:cannot_be_merged?) }
@@ -83,8 +80,6 @@ describe MergeRequest do
     end
   end
 
-  subject { create(:merge_request) }
-
   describe '#is_being_reassigned?' do
     it 'returns true if the merge_request assignee has changed' do
       subject.assignee = create(:user)

spec/models/snippet_spec.rb

@@ -30,22 +30,22 @@ describe Snippet do
 
   describe 'associations' do
     it { is_expected.to belong_to(:author).class_name('User') }
+    it { is_expected.to belong_to(:project) }
     it { is_expected.to have_many(:notes).dependent(:destroy) }
   end
 
-  describe "Mass assignment" do
-  end
-
-  describe "Validation" do
+  describe 'validation' do
     it { is_expected.to validate_presence_of(:author) }
 
     it { is_expected.to validate_presence_of(:title) }
     it { is_expected.to ensure_length_of(:title).is_within(0..255) }
 
     it { is_expected.to validate_presence_of(:file_name) }
-    it { is_expected.to ensure_length_of(:title).is_within(0..255) }
+    it { is_expected.to ensure_length_of(:file_name).is_within(0..255) }
 
     it { is_expected.to validate_presence_of(:content) }
+
+    it { is_expected.to validate_inclusion_of(:visibility_level).in_array(Gitlab::VisibilityLevel.values) }
   end
 
   describe '#to_reference' do

spec/models/user_spec.rb

@@ -89,9 +89,6 @@ describe User do
     it { is_expected.to have_many(:identities).dependent(:destroy) }
   end
 
-  describe "Mass assignment" do
-  end
-
   describe 'validations' do
     it { is_expected.to validate_presence_of(:username) }
     it { is_expected.to validate_presence_of(:projects_limit) }