Add "Comparable" to labels.

test/t/comparable.rb

 
-assert('<', '15.3.3.2.1') do
+assert('Comparable#<', '15.3.3.2.1') do
   class Foo
     include Comparable
     def <=>(x)
@@ -10,7 +10,7 @@ assert('<', '15.3.3.2.1') do
   (Foo.new < Foo.new) == false
 end
 
-assert('<=', '15.3.3.2.2') do
+assert('Comparable#<=', '15.3.3.2.2') do
   class Foo
     include Comparable
     def <=>(x)
@@ -21,7 +21,7 @@ assert('<=', '15.3.3.2.2') do
   (Foo.new <= Foo.new) == true
 end
 
-assert('==', '15.3.3.2.3') do
+assert('Comparable#==', '15.3.3.2.3') do
   class Foo
     include Comparable
     def <=>(x)
@@ -32,7 +32,7 @@ assert('==', '15.3.3.2.3') do
   (Foo.new == Foo.new) == true
 end
 
-assert('>', '15.3.3.2.4') do
+assert('Comparable#>', '15.3.3.2.4') do
   class Foo
     include Comparable
     def <=>(x)
@@ -43,7 +43,7 @@ assert('>', '15.3.3.2.4') do
   (Foo.new > Foo.new) == false
 end
 
-assert('>=', '15.3.3.2.5') do
+assert('Comparable#>=', '15.3.3.2.5') do
   class Foo
     include Comparable
     def <=>(x)