CI check

Author: cretz

temporalio/test/runtime_test.rb

@@ -11,7 +11,7 @@ def assert_metric_line(dump, metric, **required_attrs)
     lines = dump.split("\n").select do |l|
       l.start_with?("#{metric}{") && required_attrs.all? { |k, v| l.include?("#{k}=\"#{v}\"") }
     end
-    assert_equal 1, lines.size
+    assert_equal 1, lines.size, "Expected single line, got #{lines}"
     lines.first&.split&.last
   end