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-rw-r--r--test/irb/test_history.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/test/irb/test_history.rb b/test/irb/test_history.rb
index 98d24f0880..206970714a 100644
--- a/test/irb/test_history.rb
+++ b/test/irb/test_history.rb
@@ -170,7 +170,7 @@ module TestIRB
io.class::HISTORY.concat(%w"line1 line2")
history_file = IRB.rc_file("_history")
- assert !File.file?(history_file)
+ assert_not_send [File, :file?, history_file]
File.write(history_file, "line0\n")
io.save_history
assert_equal(%w"line0 line1 line2", File.read(history_file).split)