Update tests

Author: frankmcsherry

src/expr/src/scalar.rs

@@ -3414,13 +3414,6 @@ mod tests {
                 },
                 output: err(EvalError::DivisionByZero),
             },
-            TestCase {
-                input: MirScalarExpr::CallVariadic {
-                    func: VariadicFunc::Coalesce,
-                    exprs: vec![col(0), err(EvalError::DivisionByZero)],
-                },
-                output: err(EvalError::DivisionByZero),
-            },
         ];
 
         for tc in test_cases {