Adds new UseofApply test case and results to the Python2 tests dir

Author: BekaValentine

python/ql/test/2/query-tests/Expressions/UseofApply.expected

@@ -1 +1 @@
-| expressions_test.py:3:5:3:21 | ControlFlowNode for apply() | Call to the obsolete builtin function 'apply'. |
+| UseofApply.py:19:3:19:17 | ControlFlowNode for apply() | Call to the obsolete builtin function 'apply'. |

python/ql/test/2/query-tests/Expressions/UseofApply.py

@@ -0,0 +1,30 @@
+#### UseofApply.ql
+
+# Use of the builtin function `apply` is generally considered bad now that the
+# ability to destructure lists of arguments is possible, but we should not flag
+# cases where the function is merely named `apply` rather than being the actual
+# builtin `apply` function.
+
+def useofapply():
+
+  def foo():
+    pass
+
+
+
+  # Positive Cases
+
+  # This use of `apply` is a reference to the builtin function and so SHOULD be
+  # caught by the query.
+  apply(foo, [1])
+
+
+
+  # Negative Cases
+
+  # This use of `apply` is a reference to the locally defined function inside of
+  # `local`, and so SHOULD NOT be caught by the query.
+  def local():
+    def apply(f):
+      pass
+    apply(foo)([1])

python/ql/test/2/query-tests/Expressions/expressions_test.py

@@ -1,7 +1,3 @@
-
-def use_of_apply(func, args):
-    apply(func, args)
-
 def use_of_input():
     return input()