On the Instituto Cervantes website you can download trial exams containing listening tests (download the exercises as a pdf file and mp3). Different levels of the Common European Framework of Reference (CEFR): A1 (beginners) A2 B1 (intermediate) B2 C1 (advanced) C2 near native / native speaker level
This website offers many listening exercises such as video reports, songs, documentaries, film trailers and commercials.