Python: Add test-cases using keyword arguments

Author: RasmusWL

python/ql/test/library-tests/PointsTo/calls/Argument.expected

@@ -16,3 +16,8 @@
 | 37 | 0 | ControlFlowNode for l | builtin method append |
 | 37 | 1 | ControlFlowNode for IntegerLiteral | builtin method append |
 | 38 | 0 | ControlFlowNode for l | Builtin-function len |
+| 40 | 0 | ControlFlowNode for IntegerLiteral | Function f |
+| 40 | 1 | ControlFlowNode for IntegerLiteral | Function f |
+| 40 | 2 | ControlFlowNode for IntegerLiteral | Function f |
+| 42 | 0 | ControlFlowNode for IntegerLiteral | Function C.n |
+| 42 | 0 | ControlFlowNode for c | Function C.n |

python/ql/test/library-tests/PointsTo/calls/CallPointsTo.expected

@@ -10,3 +10,6 @@
 | 34 | ControlFlowNode for D() | class D |
 | 37 | ControlFlowNode for Attribute() | Method(builtin method append, List) |
 | 38 | ControlFlowNode for len() | Builtin-function len |
+| 40 | ControlFlowNode for f() | Function f |
+| 41 | ControlFlowNode for C() | class C |
+| 42 | ControlFlowNode for Attribute() | Method(Function C.n, C()) |

python/ql/test/library-tests/PointsTo/calls/GetACall.expected

@@ -13,3 +13,7 @@
 | 37 | ControlFlowNode for Attribute() | Method(builtin method append, List) |
 | 37 | ControlFlowNode for Attribute() | builtin method append |
 | 38 | ControlFlowNode for len() | Builtin-function len |
+| 40 | ControlFlowNode for f() | Function f |
+| 41 | ControlFlowNode for C() | class C |
+| 42 | ControlFlowNode for Attribute() | Function C.n |
+| 42 | ControlFlowNode for Attribute() | Method(Function C.n, C()) |

python/ql/test/library-tests/PointsTo/calls/test.py

@@ -36,3 +36,7 @@ def foo(arg):
 l = [1,2,3]
 l.append(4)
 len(l)
+
+f(arg0=0, arg1=1, arg2=2)
+c = C()
+c.n(arg1=1)