Python: Descriptor tests fixup (1/3)

Author: RasmusWL

python/ql/test/library-tests/descriptors/Methods.expected

@@ -1,6 +1,6 @@
-| 16 | classmethod() | 17 | Function c1 |
-| 23 | classmethod() | 20 | Function c2 |
-| 24 | classmethod() | 20 | Function c2 |
-| 26 | staticmethod() | 27 | Function s1 |
-| 33 | staticmethod() | 30 | Function s2 |
-| 34 | staticmethod() | 30 | Function s2 |
+| 13 | classmethod() | 14 | Function c1 |
+| 20 | classmethod() | 17 | Function c2 |
+| 21 | classmethod() | 17 | Function c2 |
+| 23 | staticmethod() | 24 | Function s1 |
+| 30 | staticmethod() | 27 | Function s2 |
+| 31 | staticmethod() | 27 | Function s2 |

python/ql/test/library-tests/descriptors/Properties.expected

@@ -1 +1 @@
-| 6 | Property f | 7 | Function f | 11 | Function f |
+| 3 | Property f | 4 | Function f | 8 | Function f |

python/ql/test/library-tests/descriptors/test.py

@@ -1,15 +1,12 @@
-
-
-
 class C(object):
 
     @property
     def f(self):
         return self._f
 
     @f.setter
-    def f(self):
-        return self._f
+    def f(self, value):
+        self._f = value
 
 class D(object):