planner: add more test cases about dynamic-mode with new-collation (#24454)
planner: add more test cases about dynamic-mode with new-collation (#24454)


c4pt0r/tidb,ngaut/tidb,pingcap/tidb,pingcap/tidb,kyle-wang/tidb,pingcap/tidb,ngaut/tidb,c4pt0r/tidb,c4pt0r/tidb,kyle-wang/tidb,kyle-wang/tidb,kyle-wang/tidb,pingcap/tidb,ngaut/tidb,coocood/tidb,coocood/tidb,pingcap/tidb,ngaut/tidb,c4pt0r/tidb,kyle-wang/tidb,ngaut/tidb,kyle-wang/tidb,c4pt0r/tidb,c4pt0r/tidb,pingcap/tidb,ngaut/tidb