Satisfy rubocop

spec/rubocop/ast/node_pattern_spec.rb

@@ -56,7 +56,7 @@ def not_match_codes(*codes)
   shared_examples 'invalid' do
     it 'is invalid' do
       expect { instance }
-        .to raise_error(RuboCop::AST::NodePattern::Invalid)
+        .to raise_error(described_class::Invalid)
     end
   end
 

spec/rubocop/ast/traversal_spec.rb

@@ -95,7 +95,7 @@ def initialize
   end
 
   it 'knows all current node types' do
-    expect(RuboCop::AST::Traversal::MISSING).to eq []
+    expect(described_class::MISSING).to eq []
   end
 
   # Sanity checking the debugging checks
@@ -107,15 +107,15 @@ def initialize
       let(:node) { s(:int) }
 
       it 'raises debugging error' do
-        expect { traverse }.to raise_error(RuboCop::AST::Traversal::DebugError)
+        expect { traverse }.to raise_error(described_class::DebugError)
       end
     end
 
     context 'with too many children' do
       let(:node) { s(:int, 1, 2) }
 
       it 'raises debugging error' do
-        expect { traverse }.to raise_error(RuboCop::AST::Traversal::DebugError)
+        expect { traverse }.to raise_error(described_class::DebugError)
       end
     end
   end

spec/tasks/changelog_spec.rb

@@ -42,22 +42,21 @@
   end
 
   let(:duplicate_entry) do
-    Changelog::Entry.new(type: :fix, body: 'Duplicate contributor name entry', user: 'johndoe')
+    described_class::Entry.new(type: :fix, body: 'Duplicate contributor name entry', user: 'johndoe')
   end
 
   let(:entries) do
     %i[fix new fix].map.with_index do |type, i|
-      Changelog::Entry.new(type: type, body: "Do something cool#{'x' * i}", user: "johndoe#{'x' * i}")
+      described_class::Entry.new(type: type, body: "Do something cool#{'x' * i}",
+                                 user: "johndoe#{'x' * i}")
     end << duplicate_entry
   end
   let(:entry) { entries.first }
 
-  describe Changelog::Entry do
-    it 'generates correct content' do
-      expect(entry.content).to eq <<~MD
-        * [#x](https://github.com/rubocop/rubocop-ast/pull/x): Do something cool. ([@johndoe][])
-      MD
-    end
+  it 'Changelog::Entry generates correct content' do
+    expect(entry.content).to eq <<~MD
+      * [#x](https://github.com/rubocop/rubocop-ast/pull/x): Do something cool. ([@johndoe][])
+    MD
   end
 
   it 'parses correctly' do