remove all assert_optimized_plan_eq

Author: qstommyshu

datafusion/optimizer/src/test/mod.rs

@@ -165,22 +165,6 @@ pub fn assert_analyzer_check_err(
 
 fn observe(_plan: &LogicalPlan, _rule: &dyn OptimizerRule) {}
 
-pub fn assert_optimized_plan_eq(
-    rule: Arc<dyn OptimizerRule + Send + Sync>,
-    plan: LogicalPlan,
-    expected: &str,
-) -> Result<()> {
-    // Apply the rule once
-    let opt_context = OptimizerContext::new().with_max_passes(1);
-
-    let optimizer = Optimizer::with_rules(vec![Arc::clone(&rule)]);
-    let optimized_plan = optimizer.optimize(plan, &opt_context, observe)?;
-    let formatted_plan = format!("{optimized_plan}");
-    assert_eq!(formatted_plan, expected);
-
-    Ok(())
-}
-
 #[macro_export]
 macro_rules! assert_optimized_plan_eq_snapshot {
     (