Improve specs by defining anonymous instead of named classes

Signed-off-by: Rémy Coutable <remy@rymai.me>

spec/models/concerns/safe_url_spec.rb

@@ -4,17 +4,19 @@ require 'spec_helper'
 
 describe SafeUrl do
   describe '#safe_url' do
-    class SafeUrlTestClass
-      include SafeUrl
+    let(:safe_url_test_class) do
+      Class.new do
+        include SafeUrl
 
-      attr_reader :url
+        attr_reader :url
 
-      def initialize(url)
-        @url = url
+        def initialize(url)
+          @url = url
+        end
       end
     end
 
-    let(:test_class) { SafeUrlTestClass.new(url) }
+    let(:test_class) { safe_url_test_class.new(url) }
     let(:url) { 'http://example.com' }
 
     subject { test_class.safe_url }

spec/validators/qualified_domain_array_validator_spec.rb

@@ -3,18 +3,19 @@
 require 'spec_helper'
 
 describe QualifiedDomainArrayValidator do
-  class QualifiedDomainArrayValidatorTestClass
-    include ActiveModel::Validations
+  let(:qualified_domain_array_validator_test_class) do
+    Class.new do
+      include ActiveModel::Validations
 
-    attr_accessor :domain_array
+      attr_accessor :domain_array
 
-    def initialize(domain_array)
-      self.domain_array = domain_array
+      def initialize(domain_array)
+        self.domain_array = domain_array
+      end
     end
   end
-
   let!(:record) do
-    QualifiedDomainArrayValidatorTestClass.new(['gitlab.com'])
+    qualified_domain_array_validator_test_class.new(['gitlab.com'])
   end
 
   subject { validator.validate(record) }