Python: Update expected test output

Author: hvitved

python/ql/test/library-tests/dataflow/regression/dataflow.expected

@@ -15,6 +15,7 @@
 | test.py:128:13:128:18 | ControlFlowNode for SOURCE | test.py:132:14:132:14 | ControlFlowNode for t |
 | test.py:159:10:159:15 | ControlFlowNode for SOURCE | test.py:160:14:160:14 | ControlFlowNode for t |
 | test.py:163:9:163:14 | ControlFlowNode for SOURCE | test.py:165:12:165:12 | ControlFlowNode for s |
+| test.py:168:10:168:15 | ControlFlowNode for SOURCE | test.py:172:10:172:13 | ControlFlowNode for Subscript |
 | test.py:178:9:178:14 | ControlFlowNode for SOURCE | test.py:180:14:180:14 | ControlFlowNode for t |
 | test.py:178:9:178:14 | ControlFlowNode for SOURCE | test.py:182:16:182:16 | ControlFlowNode for t |
 | test.py:178:9:178:14 | ControlFlowNode for SOURCE | test.py:184:16:184:16 | ControlFlowNode for t |

python/ql/test/library-tests/dataflow/regression/test.py

@@ -169,7 +169,7 @@ def test_update_extend(x, y):
     d = {"key" : SOURCE}
     x.extend(l)
     y.update(d)
-    SINK(x[0])  # Flow not found
+    SINK(x[0])
     SINK(y["key"])  # Flow not found
     l2 = list(l)
     d2 = dict(d)