Try moving call to GC

Author: markshannon

Lib/test/test_sys.py

@@ -1090,6 +1090,10 @@ def test_getallocatedblocks(self):
             # about the underlying implementation: the function might
             # return 0 or something greater.
             self.assertGreaterEqual(a, 0)
+        gc.collect()
+        b = sys.getallocatedblocks()
+        self.assertLessEqual(b, a)
+        gc.collect()
         try:
             # While we could imagine a Python session where the number of
             # multiple buffer objects would exceed the sharing of references,
@@ -1101,14 +1105,10 @@ def test_getallocatedblocks(self):
             # references, this can cause the total number of allocated
             # blocks to exceed the total number of references.
             if not support.Py_GIL_DISABLED:
-                self.assertLess(a, sys.gettotalrefcount())
+                self.assertLess(b, sys.gettotalrefcount())
         except AttributeError:
             # gettotalrefcount() not available
             pass
-        gc.collect()
-        b = sys.getallocatedblocks()
-        self.assertLessEqual(b, a)
-        gc.collect()
         c = sys.getallocatedblocks()
         self.assertIn(c, range(b - 50, b + 50))