more minor tweaks, benefit from get_files

tests/instapaper.py

@@ -1,6 +1,5 @@
-from my.instapaper import get_todos
+from my.instapaper import pages
 
 
-def test_get_todos():
-    for t in get_todos():
-        print(t)
+def test_pages():
+    assert len(list(pages())) > 3

tests/lastfm.py

@@ -0,0 +1,7 @@
+from more_itertools import ilen
+
+from my.lastfm import scrobbles
+
+
+def test():
+    assert ilen(scrobbles()) > 1000