move set comprehension tests to comletion/comprehensions.py

test/completion/comprehensions.py

@@ -50,6 +50,13 @@ left
 ##? str()
 {a-1:b for a,b in {1:'a', 3:1.0}.items()}[0]
 
+# with a set literal
+#? int()
+[a for a in {1, 2, 3}][0]
+
+##? int()
+{a for a in range(10)}[0]
+
 # list comprehensions should also work in combination with functions
 def listen(arg):
     for x in arg: