--- /dev/null
+#!/bin/bash
+
+DOWNLOAD_TESTS="age_restriction|download|subtitles|write_annotations|iqiyi_sdk_interpreter"
+
+test_set=""
+
+case "$YTDL_TEST_SET" in
+ core)
+ test_set="-I test_($DOWNLOAD_TESTS)\.py"
+ ;;
+ download)
+ test_set="-I test_(?!$DOWNLOAD_TESTS).+\.py"
+ ;;
+ *)
+ break
+ ;;
+esac
+
+nosetests test --verbose $test_set