feat(tests): improve formatting and readability in aggregate tests

- Refactored the formatting in `basic.rs` to enhance readability by breaking long lines into shorter segments.
- Updated `min_max.rs` for consistent formatting in the `test_min_max_dictionary_ignores_unreferenced_values` function.

Author: kosiew

datafusion/core/tests/sql/aggregates/basic.rs

@@ -445,11 +445,16 @@ async fn count_distinct_dictionary_mixed_values() -> Result<()> {
 
 #[tokio::test]
 async fn min_max_dictionary_uses_planned_dictionary_path() -> Result<()> {
-    let ctx = SessionContext::new_with_config(SessionConfig::new().with_target_partitions(2));
+    let ctx =
+        SessionContext::new_with_config(SessionConfig::new().with_target_partitions(2));
 
     let dict_type =
         DataType::Dictionary(Box::new(DataType::Int32), Box::new(DataType::Utf8));
-    let schema = Arc::new(Schema::new(vec![Field::new("dict", dict_type.clone(), true)]));
+    let schema = Arc::new(Schema::new(vec![Field::new(
+        "dict",
+        dict_type.clone(),
+        true,
+    )]));
 
     let batch1 = RecordBatch::try_new(
         schema.clone(),

datafusion/functions-aggregate/src/min_max.rs

@@ -1358,10 +1358,8 @@ mod tests {
 
     #[test]
     fn test_min_max_dictionary_ignores_unreferenced_values() -> Result<()> {
-        let dict_array_ref = string_dictionary_batch(
-            &["a", "z", "zz_unused"],
-            &[Some(1), Some(1), None],
-        );
+        let dict_array_ref =
+            string_dictionary_batch(&["a", "z", "zz_unused"], &[Some(1), Some(1), None]);
         let dict_type = dict_array_ref.data_type().clone();
 
         assert_dictionary_min_max(&dict_type, &[dict_array_ref], "z", "z")