[rb] fix rubocop violations

rb/.rubocop.yml

@@ -146,3 +146,6 @@ RSpec/BeforeAfterAll:
 RSpec/InstanceVariable:
   Exclude:
     - 'spec/unit/selenium/webdriver/socket_poller_spec.rb'
+
+RSpec/DescribedClass:
+  Enabled: false

rb/spec/unit/selenium/webdriver/common/driver_extensions/has_network_connection_spec.rb

@@ -23,15 +23,16 @@ module Selenium
   module WebDriver
     module DriverExtensions
       describe HasNetworkConnection do
-        class FakeDriver
-          include HasNetworkConnection
-          attr_reader :bridge
-          def initialize(bridge)
-            @bridge = bridge
+        let(:fake_driver) do
+          Class.new(WebDriver::Driver) do
+            include HasNetworkConnection
+            attr_reader :bridge
+            def initialize(bridge)
+              @bridge = bridge
+            end
           end
         end
-
-        let(:driver) { FakeDriver.new(instance_double(Remote::Bridge)) }
+        let(:driver) { fake_driver.new(instance_double(Remote::Bridge)) }
 
         describe '#network_connection' do
           it 'returns the correct connection type' do

rb/spec/unit/selenium/webdriver/common/interactions/pointer_input_spec.rb

@@ -108,6 +108,7 @@ module Interactions
             allow(pointer).to receive(:no_actions?).and_return(false)
             expect(pointer.encode).to be_a(Hash)
           end
+
           it 'should contain a type key with the value of the type attribute' do
             allow(pointer).to receive(:no_actions?).and_return(false)
             expect(pointer.encode).to include(type: pointer.type)

rb/spec/unit/selenium/webdriver/search_context_spec.rb

@@ -22,19 +22,21 @@
 module Selenium
   module WebDriver
     describe SearchContext do
-      class TestSearchContext
-        attr_reader :bridge, :ref
+      let(:test_search_context) do
+        Class.new do
+          attr_reader :bridge, :ref
 
-        include Selenium::WebDriver::SearchContext
+          include Selenium::WebDriver::SearchContext
 
-        def initialize(bridge)
-          @bridge = bridge
+          def initialize(bridge)
+            @bridge = bridge
+          end
         end
       end
 
       let(:element)        { instance_double(Element) }
       let(:bridge)         { instance_double('Bridge').as_null_object }
-      let(:search_context) { TestSearchContext.new(bridge) }
+      let(:search_context) { test_search_context.new(bridge) }
 
       context 'finding a single element' do
         it 'accepts a hash' do # rubocop:disable RSpec/RepeatedExample