diff --git a/datafusion/optimizer/src/simplify_expressions/expr_simplifier.rs b/datafusion/optimizer/src/simplify_expressions/expr_simplifier.rs
index 7bbb7e79d18d6..b359d1a337e06 100644
--- a/datafusion/optimizer/src/simplify_expressions/expr_simplifier.rs
+++ b/datafusion/optimizer/src/simplify_expressions/expr_simplifier.rs
@@ -2238,6 +2238,8 @@ fn simplify_right_is_one_case(
     }
 }
 
+// trigger ci extended tests
+
 #[cfg(test)]
 mod tests {
     use super::*;