PY: update tests to not use deleted deprecations

Author: erik-krogh

python/ql/test/library-tests/PointsTo/new/SSA.expected

@@ -1,4 +1,3 @@
-WARNING: Predicate ssa_variable_points_to has been deprecated and may be removed in future (SSA.ql:10,3-35)
 | __init__.py:0 | __name___0 = ScopeEntryDefinition | 'code' | builtin-class str |
 | __init__.py:0 | __name___0 = ScopeEntryDefinition | 'code.package' | builtin-class str |
 | __init__.py:0 | __name___0 = ScopeEntryDefinition | 'code.test_package' | builtin-class str |

python/ql/test/library-tests/PointsTo/new/SSA.ql

@@ -3,10 +3,21 @@ private import semmle.python.pointsto.PointsTo
 private import semmle.python.pointsto.PointsToContext
 import Util
 
+predicate ssa_variable_points_to(
+  EssaVariable var, PointsToContext context, Object obj, ClassObject cls, @py_object origin
+) {
+  exists(ObjectInternal value |
+    PointsToInternal::variablePointsTo(var, context, value, origin) and
+    cls = value.getClass().getSource()
+  |
+    obj = value.getSource()
+  )
+}
+
 from EssaVariable v, EssaDefinition def, Object o, ClassObject cls
 where
   def = v.getDefinition() and
   not v.getSourceVariable() instanceof SpecialSsaSourceVariable and
-  PointsTo::ssa_variable_points_to(v, _, o, cls, _)
+  ssa_variable_points_to(v, _, o, cls, _)
 select locate(def.getLocation(), "abcdegjqmns_"),
   v.getRepresentation() + " = " + def.getRepresentation(), repr(o), repr(cls)

python/ql/test/library-tests/taint/extensions/TestStep.expected

@@ -1,5 +1,3 @@
-WARNING: Predicate getNode has been deprecated and may be removed in future (TestStep.ql:6,77-84)
-WARNING: Predicate getNode has been deprecated and may be removed in future (TestStep.ql:8,15-22)
 | Taint simple.test | visitor.py:10 | arg | p2 = simple.test |  -->  | Taint simple.test | visitor.py:13 | arg | p2 = simple.test |
 | Taint simple.test | visitor.py:18 | arg |  |  -->  | Taint simple.test | visitor.py:19 | arg |  |
 | Taint simple.test | visitor.py:19 | arg |  |  -->  | Taint simple.test | visitor.py:26 | Attribute() |  |

python/ql/test/library-tests/taint/extensions/TestStep.ql

@@ -3,6 +3,6 @@ import ExtensionsLib
 
 from TaintedNode n, TaintedNode s
 where s = n.getASuccessor()
-select "Taint " + n.getTaintKind(), n.getLocation().toString(), n.getNode().getNode().toString(),
+select "Taint " + n.getTaintKind(), n.getLocation().toString(), n.getNode().asAstNode().toString(),
   n.getContext(), " --> ", "Taint " + s.getTaintKind(), s.getLocation().toString(),
-  s.getNode().getNode().toString(), s.getContext()
+  s.getNode().asAstNode().toString(), s.getContext()