remove useless code

Author: liukun4515

datafusion/src/physical_plan/expressions/cast.rs

@@ -345,22 +345,6 @@ mod tests {
 
     #[test]
     fn test_cast_i32_u32() -> Result<()> {
-        generic_test_cast!(
-            Int32Array,
-            DataType::Int32,
-            vec![1, 2, 3, 4, 5],
-            UInt32Array,
-            DataType::UInt32,
-            vec![
-                Some(1_u32),
-                Some(2_u32),
-                Some(3_u32),
-                Some(4_u32),
-                Some(5_u32)
-            ],
-            DEFAULT_DATAFUSION_CAST_OPTIONS
-        );
-
         generic_test_cast!(
             Int32Array,
             DataType::Int32,