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-rw-r--r--test/prism/parser_test.rb2
1 files changed, 2 insertions, 0 deletions
diff --git a/test/prism/parser_test.rb b/test/prism/parser_test.rb
index 71dd6d8223..61f1b737dc 100644
--- a/test/prism/parser_test.rb
+++ b/test/prism/parser_test.rb
@@ -101,9 +101,11 @@ module Prism
parser = Prism::Translation::Parser33.new
parser.diagnostics.all_errors_are_fatal = false
+
warning = nil
parser.diagnostics.consumer = ->(received) { warning = received }
parser.parse(buffer)
+
assert_equal :warning, warning.level
assert_includes warning.message, "has been interpreted as"
end