btrfs-progs: tests: add missing variable setup to test-console

The paths are not adapted to the TEST_TOP added long time ago in
e44f595dd7 ("btrfs-progs: tests: unify test drivers, make ready for
extenral testsuite").

Signed-off-by: David Sterba <dsterba@suse.com>

tests/test-console.sh

@@ -4,6 +4,8 @@
 LANG=C
 SCRIPT_DIR=$(dirname $(readlink -f "$0"))
 TOP=$(readlink -f "$SCRIPT_DIR/../")
+TEST_TOP="$TOP/tests"
+INTERNAL_BIN="$TOP"
 TEST_DEV=${TEST_DEV:-}
 RESULTS="$TOP/tests/test-console.txt"
 IMAGE="$TOP/tests/test.img"