fix: roundtrip test

Author: SteveLauC

datafusion/proto/tests/cases/roundtrip_physical_plan.rs

@@ -600,10 +600,10 @@ fn roundtrip_builtin_scalar_function() -> Result<()> {
     let execution_props = ExecutionProps::new();
 
     let fun_expr =
-        functions::create_physical_fun(&BuiltinScalarFunction::Floor, &execution_props)?;
+        functions::create_physical_fun(&BuiltinScalarFunction::Sin, &execution_props)?;
 
     let expr = ScalarFunctionExpr::new(
-        "floor",
+        "sin",
         fun_expr,
         vec![col("a", &schema)?],
         DataType::Float64,