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-rw-r--r--lib/test/unit/testcase.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/test/unit/testcase.rb b/lib/test/unit/testcase.rb
index 017cd15b8c..27bd79255d 100644
--- a/lib/test/unit/testcase.rb
+++ b/lib/test/unit/testcase.rb
@@ -48,7 +48,7 @@ module Test
# one suite, creating a new instance of the fixture for
# each method.
def self.suite
- method_names = public_instance_methods(true)
+ method_names = public_instance_methods(true).map { |m| m.to_s }
tests = method_names.delete_if {|method_name| method_name !~ /^test./}
suite = TestSuite.new(name)
tests.sort.each do