removed duplicates from sql tests

Conflicts:

	spec/arel/engines/sql/unit/predicates/binary_spec.rb
	spec/arel/engines/sql/unit/predicates/equality_spec.rb
	spec/arel/engines/sql/unit/primitives/attribute_spec.rb
	spec/arel/engines/sql/unit/primitives/expression_spec.rb
	spec/arel/engines/sql/unit/relations/alias_spec.rb
	spec/arel/engines/sql/unit/relations/join_spec.rb
	spec/arel/engines/sql/unit/relations/project_spec.rb
	spec/arel/engines/sql/unit/relations/relation_spec.rb
	spec/arel/engines/sql/unit/relations/table_spec.rb
	spec/arel/engines/sql/unit/relations/where_spec.rb
	spec/arel/engines/sql/unit/session/session_spec.rb

1 files changed, 0 insertions, 15 deletions

diff --git a/spec/arel/engines/sql/unit/predicates/equality_spec.rb b/spec/arel/engines/sql/unit/predicates/equality_spec.rb
index 2ab79d7028..e8c8c42675 100644
--- a/spec/arel/engines/sql/unit/predicates/equality_spec.rb
+++ b/spec/arel/engines/sql/unit/predicates/equality_spec.rb
@@ -9,21 +9,6 @@ module Arel
       @attribute2 = @relation2[:user_id]
     end
 
-    describe '==' do
-      it "obtains if attribute1 and attribute2 are identical" do
-        Equality.new(@attribute1, @attribute2).should == Equality.new(@attribute1, @attribute2)
-        Equality.new(@attribute1, @attribute2).should_not == Equality.new(@attribute1, @attribute1)
-      end
-
-      it "obtains if the concrete type of the predicates are identical" do
-        Equality.new(@attribute1, @attribute2).should_not == Binary.new(@attribute1, @attribute2)
-      end
-
-      it "is commutative on the attributes" do
-        Equality.new(@attribute1, @attribute2).should == Equality.new(@attribute2, @attribute1)
-      end
-    end
-
     describe '#to_sql' do
       describe 'when relating to a non-nil value' do
         it "manufactures an equality predicate" do