Fix rubocop complains

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

app/helpers/group_members_helper.rb

 module GroupMembersHelper
   def clear_ldap_permission_cache_message
-    markdown(<<-EOT.strip_heredoc
+    markdown(
+      <<-EOT.strip_heredoc
       Be careful, all members of this group (except you)  will have their
       **access level temporarily downgraded** to `Guest`. The next time that a group member
       signs in to GitLab (or after one hour, whichever occurs first) their access level will

app/models/project_services/jenkins_service.rb

@@ -67,7 +67,7 @@ class JenkinsService < CiService
 
   def build_page(sha, ref = nil)
     if multiproject_enabled? && ref.present?
-      URI.encode("#{base_project_url}/#{project.name}_#{ref.gsub('/', '_')}/scm/bySHA1/#{sha}").to_s
+      URI.encode("#{base_project_url}/#{project.name}_#{ref.tr('/', '_')}/scm/bySHA1/#{sha}").to_s
     else
       "#{project_url}/scm/bySHA1/#{sha}"
     end

lib/api/entities.rb

@@ -72,7 +72,7 @@ module API
       expose :shared_runners_enabled
       expose :creator_id
       expose :namespace
-      expose :forked_from_project, using: Entities::ForkedFromProject, if: lambda{ |project, options| project.forked? }
+      expose :forked_from_project, using: Entities::ForkedFromProject, if: lambda { |project, options| project.forked? }
       expose :avatar_url
       expose :star_count, :forks_count
       expose :open_issues_count, if: lambda { |project, options| project.issues_enabled? && project.default_issues_tracker? }
@@ -90,7 +90,7 @@ module API
 
     class Group < Grape::Entity
       expose :id, :name, :path, :ldap_cn, :ldap_access, :description
-      expose :ldap_group_links, using: Entities::LdapGroupLink, if: lambda{ | group, options | group.ldap_group_links.any? }
+      expose :ldap_group_links, using: Entities::LdapGroupLink, if: lambda { |group, options| group.ldap_group_links.any? }
       expose :avatar_url
 
       expose :web_url do |group, options|

spec/lib/gitlab/ldap/access_spec.rb

@@ -211,7 +211,7 @@ describe Gitlab::LDAP::Access, lib: true do
 
     it "should give admin privileges to an User" do
       admin_group = Net::LDAP::Entry.from_single_ldif_string(
-%Q{dn: cn=#{access.admin_group},ou=groups,dc=bar,dc=com
+        %Q{dn: cn=#{access.admin_group},ou=groups,dc=bar,dc=com
 cn: #{access.admin_group}
 description: GitLab admins
 gidnumber: 42
@@ -220,7 +220,7 @@ memberuid: admin2
 memberuid: admin3
 objectclass: top
 objectclass: posixGroup
-})
+      })
       allow_any_instance_of(Gitlab::LDAP::Adapter).to receive(:group) { Gitlab::LDAP::Group.new(admin_group) }
 
       expect{ access.update_admin_status }.to change(user, :admin?).to(true)
@@ -229,7 +229,7 @@ objectclass: posixGroup
     it "should remove admin privileges from an User" do
       user.update_attribute(:admin, true)
       admin_group = Net::LDAP::Entry.from_single_ldif_string(
-%Q{dn: cn=#{access.admin_group},ou=groups,dc=bar,dc=com
+        %Q{dn: cn=#{access.admin_group},ou=groups,dc=bar,dc=com
 cn: #{access.admin_group}
 description: GitLab admins
 gidnumber: 42
@@ -237,7 +237,7 @@ memberuid: admin1
 memberuid: admin3
 objectclass: top
 objectclass: posixGroup
-})
+      })
       allow_any_instance_of(Gitlab::LDAP::Adapter).to receive(:group) { Gitlab::LDAP::Group.new(admin_group) }
       expect{ access.update_admin_status }.to change(user, :admin?).to(false)
     end
@@ -350,7 +350,7 @@ objectclass: posixGroup
   describe 'ldap_groups' do
     let(:ldap_group_1) do
       Net::LDAP::Entry.from_single_ldif_string(
-%Q{dn: cn=#{access.ldap_config.admin_group},ou=groups,dc=bar,dc=com
+        %Q{dn: cn=#{access.ldap_config.admin_group},ou=groups,dc=bar,dc=com
 cn: #{access.ldap_config.admin_group}
 description: GitLab group 1
 gidnumber: 42
@@ -358,7 +358,7 @@ memberuid: user1
 memberuid: user2
 objectclass: top
 objectclass: posixGroup
-})
+      })
     end
 
     it "returns an interator of LDAP Groups" do
@@ -380,7 +380,7 @@ objectclass: posixGroup
   describe :cns_with_access do
     let(:ldap_group_response_1) do
       Net::LDAP::Entry.from_single_ldif_string(
-%Q{dn: cn=group1,ou=groups,dc=bar,dc=com
+        %Q{dn: cn=group1,ou=groups,dc=bar,dc=com
 cn: group1
 description: GitLab group 1
 gidnumber: 21
@@ -388,11 +388,12 @@ uniquemember: #{ldap_user.dn.downcase}
 uniquemember: uid=user2,ou=people,dc=example
 objectclass: top
 objectclass: posixGroup
-})
+      })
     end
+
     let(:ldap_group_response_2) do
       Net::LDAP::Entry.from_single_ldif_string(
-%Q{dn: cn=group2,ou=groups,dc=bar,dc=com
+        %Q{dn: cn=group2,ou=groups,dc=bar,dc=com
 cn: group2
 description: GitLab group 2
 gidnumber: 42
@@ -400,14 +401,16 @@ memberuid: user3
 memberuid: user4
 objectclass: top
 objectclass: posixGroup
-})
+      })
     end
+
     let(:ldap_groups) do
       [
         Gitlab::LDAP::Group.new(ldap_group_response_1),
         Gitlab::LDAP::Group.new(ldap_group_response_2)
       ]
     end
+
     let(:ldap_user) { Gitlab::LDAP::Person.new(Net::LDAP::Entry.new, user.ldap_identity.provider) }
 
     before do