BUG: Added test cases to check loc on multiindex with NaNs #29751 (#38772)
BUG: Added test cases to check loc on multiindex with NaNs #29751 (#38772)


datapythonista/pandas,pandas-dev/pandas,jorisvandenbossche/pandas,dsm054/pandas,dsm054/pandas,jorisvandenbossche/pandas,gfyoung/pandas,datapythonista/pandas,rs2/pandas,gfyoung/pandas,datapythonista/pandas,pandas-dev/pandas,gfyoung/pandas,rs2/pandas,rs2/pandas,gfyoung/pandas,rs2/pandas,pandas-dev/pandas,dsm054/pandas,gfyoung/pandas,jorisvandenbossche/pandas,jorisvandenbossche/pandas,datapythonista/pandas,dsm054/pandas,dsm054/pandas,pandas-dev/pandas