2 files changed, 5 insertions, 6 deletions
diff --git a/test/file.rb b/test/file.rb
index c8df85e89..d6f39ceb1 100644
--- a/test/file.rb
+++ b/test/file.rb
@@ -64,12 +64,6 @@ assert('IO#flock') do
   true
 end
 
-
-assert('File.size') do
-  File.size($mrbtest_io_rfname) == $mrbtest_io_msg.size and
-  File.size($mrbtest_io_wfname) == 0
-end
-
 assert('File.join') do
   File.join() == "" and
   File.join("a") == "a" and
diff --git a/test/file_test.rb b/test/file_test.rb
index 1fe6a8fd8..11742f2db 100644
--- a/test/file_test.rb
+++ b/test/file_test.rb
@@ -33,6 +33,11 @@ assert("FileTest.pipe?") do
   assert_equal false, FileTest.pipe?("/tmp")
 end
 
+assert('FileTest.size') do
+  assert_equal FileTest.size($mrbtest_io_rfname), $mrbtest_io_msg.size
+  assert_equal FileTest.size($mrbtest_io_wfname), 0
+end
+
 assert("FileTest.size?") do
   assert_equal $mrbtest_io_msg.size, FileTest.size?($mrbtest_io_rfname)
   assert_equal nil, FileTest.size?($mrbtest_io_wfname)