Remove redundant calls

The ArgumentError should raise in `isolate`.

1 files changed, 3 insertions, 3 deletions

diff --git a/test/ruby/test_proc.rb b/test/ruby/test_proc.rb
index 16efd13d7c..1f87085f9f 100644
--- a/test/ruby/test_proc.rb
+++ b/test/ruby/test_proc.rb
@@ -1597,18 +1597,18 @@ class TestProc < Test::Unit::TestCase
   def test_isolate
     assert_raise_with_message ArgumentError, /\(a\)/ do
       a = :a
-      Proc.new{p a}.isolate.call
+      Proc.new{p a}.isolate
     end
 
     assert_raise_with_message ArgumentError, /\(a\)/ do
       a = :a
       1.times{
-        Proc.new{p a}.isolate.call
+        Proc.new{p a}.isolate
       }
     end
 
     assert_raise_with_message ArgumentError, /yield/ do
-      Proc.new{yield}.isolate.call
+      Proc.new{yield}.isolate
     end
 
     # binding