Fluent and/or is supported by Prism too now

Author: nobu

test/ruby/test_syntax.rb

@@ -1260,8 +1260,6 @@ def test_fluent_dot
   end
 
   def test_fluent_and
-    omit if /\+PRISM\b/ =~ RUBY_DESCRIPTION
-
     assert_valid_syntax("a\n" "&& foo")
     assert_valid_syntax("a\n" "and foo")
 
@@ -1285,8 +1283,6 @@ def test_fluent_and
   end
 
   def test_fluent_or
-    omit if /\+PRISM\b/ =~ RUBY_DESCRIPTION
-
     assert_valid_syntax("a\n" "|| foo")
     assert_valid_syntax("a\n" "or foo")