rubocop: move rspec include to root config file

To avoid confusion and bugs in rubocop robucop-spec should be required
from the root config.

Library/.rubocop.yml

@@ -4,8 +4,13 @@ AllCops:
     - '**/Casks/**/*'
     - '**/vendor/**/*'
   DisplayCopNames: false
+  RSpec:
+    Patterns:
+    - Homebrew/test/*
 
-require: ./Homebrew/rubocops.rb
+require: 
+  - ./Homebrew/rubocops.rb
+  - rubocop-rspec
 
 # enable all formulae audits
 FormulaAudit:

Library/Homebrew/test/.rubocop.yml

@@ -2,4 +2,3 @@ inherit_from:
   - ../.rubocop.yml
   - .rubocop_todo.yml
 
-require: rubocop-rspec

Library/Homebrew/test/.rubocop_todo.yml

@@ -1,14 +1,15 @@
 # This configuration was generated by
 # `rubocop --auto-gen-config`
-# on 2018-09-30 14:57:59 +0200 using RuboCop version 0.59.2.
+# on 2018-10-08 06:47:14 +0200 using RuboCop version 0.59.2.
 # The point is for the user to remove these configuration records
 # one by one as the offenses are removed from the code base.
 # Note that changes in the inspected code, or installation of new
 # versions of RuboCop, may require this file to be generated again.
 
-# Offense count: 27
+# Offense count: 28
 RSpec/AnyInstance:
   Exclude:
+    - 'cask/artifact/uninstall_zap_shared_examples.rb'
     - 'cask/cmd/create_spec.rb'
     - 'cask/cmd/edit_spec.rb'
     - 'cask/cmd/outdated_spec.rb'
@@ -21,7 +22,7 @@ RSpec/AnyInstance:
     - 'utils/analytics_spec.rb'
     - 'utils/git_spec.rb'
 
-# Offense count: 139
+# Offense count: 146
 # Configuration parameters: Prefixes.
 # Prefixes: when, with, without
 RSpec/ContextWording:
@@ -31,7 +32,7 @@ RSpec/ContextWording:
 RSpec/DescribeClass:
   Enabled: false
 
-# Offense count: 573
+# Offense count: 581
 # Configuration parameters: Max.
 RSpec/ExampleLength:
   Enabled: false
@@ -58,6 +59,16 @@ RSpec/ExpectInHook:
 RSpec/FilePath:
   Enabled: false
 
+# Offense count: 6
+# Cop supports --auto-correct.
+# Configuration parameters: EnforcedStyle.
+# SupportedStyles: implicit, each, example
+RSpec/HookArgument:
+  Exclude:
+    - 'cask/artifact/uninstall_zap_shared_examples.rb'
+    - 'spec_helper.rb'
+    - 'support/helper/cask/fake_system_command.rb'
+
 # Offense count: 6
 # Configuration parameters: AssignmentOnly.
 RSpec/InstanceVariable:
@@ -67,7 +78,18 @@ RSpec/InstanceVariable:
     - 'utils/git_spec.rb'
     - 'version_spec.rb'
 
-# Offense count: 116
+# Offense count: 1
+RSpec/IteratedExpectation:
+  Exclude:
+    - 'cask/artifact/uninstall_zap_shared_examples.rb'
+
+# Offense count: 1
+# Cop supports --auto-correct.
+RSpec/LeadingSubject:
+  Exclude:
+    - 'cask/artifact/uninstall_zap_shared_examples.rb'
+
+# Offense count: 122
 # Configuration parameters: EnforcedStyle.
 # SupportedStyles: have_received, receive
 RSpec/MessageSpies:
@@ -82,12 +104,12 @@ RSpec/MissingExampleGroupArgument:
 RSpec/MultipleDescribes:
   Enabled: false
 
-# Offense count: 544
+# Offense count: 548
 # Configuration parameters: AggregateFailuresByDefault.
 RSpec/MultipleExpectations:
   Max: 26
 
-# Offense count: 936
+# Offense count: 946
 RSpec/NamedSubject:
   Enabled: false
 
@@ -110,6 +132,11 @@ RSpec/RepeatedExample:
     - 'compiler_selector_spec.rb'
     - 'utils/shell_spec.rb'
 
+# Offense count: 2
+RSpec/ScatteredLet:
+  Exclude:
+    - 'cask/artifact/uninstall_zap_shared_examples.rb'
+
 # Offense count: 31
 RSpec/SubjectStub:
   Exclude:
@@ -121,7 +148,7 @@ RSpec/SubjectStub:
     - 'language/python_spec.rb'
     - 'os/mac/java_requirement_spec.rb'
 
-# Offense count: 64
+# Offense count: 65
 # Configuration parameters: IgnoreSymbolicNames.
 RSpec/VerifiedDoubles:
   Enabled: false