Fix some typos

Author: ydah

spec/rubocop/cop/rspec/expect_actual_spec.rb

@@ -322,7 +322,7 @@
 
     it 'ignores rspec-rails routing specs' do
       expect_no_offenses(
-        'expect(get: "/foo").to be_routeable',
+        'expect(get: "/foo").to be_routable',
         'spec/routing/foo_spec.rb'
       )
     end

spec/rubocop/cop/rspec/pending_spec.rb

@@ -116,7 +116,7 @@
     RUBY
   end
 
-  it 'flags blocks with pending: surrounded by `%()` stringg metadata ' \
+  it 'flags blocks with pending: surrounded by `%()` string metadata ' \
      'and line break' do
     expect_offense(<<-RUBY)
       it "test", pending: %(test ,

spec/rubocop/cop/rspec/skip_block_inside_example_spec.rb

@@ -30,7 +30,7 @@
     RUBY
   end
 
-  it 'does not register an offense outside exxamples' do
+  it 'does not register an offense outside examples' do
     expect_no_offenses(<<~RUBY)
       skip 'not yet implemented' do
       end