Rename pipeline expressions token for checking equality

lib/gitlab/ci/pipeline/expression/equality.rb → lib/gitlab/ci/pipeline/expression/equals.rb

@@ -2,18 +2,17 @@ module Gitlab
   module Ci
     module Pipeline
       module Expression
-        class Equality  < Expression::Token
+        class Equals < Expression::Token
           PATTERN = /==/.freeze
 
           def initialize(left, right)
+            @left = left
+            @right = right
           end
 
           def evaluate(**variables)
             @left.evaluate(variables) == @right.evaluate(variables)
           end
-
-          def self.build(string)
-          end
         end
       end
     end