Python: Move framework tests out of experimental

Since they are not experimental anymore 😄

python/ql/test/library-tests/frameworks/stdlib/CodeExecution.py

@@ -0,0 +1,39 @@
+# without this, `eval("print(42)")` becomes invalid syntax in Python 2, since print is a
+# statement
+from __future__ import print_function
+
+import sys
+
+if sys.version_info[0] == 3:
+    import builtins
+if sys.version_info[0] == 2:
+    import __builtin__ as builtins
+
+exec("print(42)")  # $getCode="print(42)"
+eval("print(42)")  # $getCode="print(42)"
+
+builtins.eval("print(42)")  # $getCode="print(42)"
+
+cmd = compile("print(42)", "<filename>", "exec")
+exec(cmd)  # $getCode=cmd
+
+cmd = builtins.compile("print(42)", "<filename>", "exec")
+exec(cmd)  # $getCode=cmd
+
+# ------------------------------------------------------------------------------
+# taint related
+
+
+def test_additional_taint():
+    src = TAINTED_STRING
+
+    cmd1 = compile(src, "<filename>", "exec")
+    cmd2 = compile(source=src, filename="<filename>", mode="exec")
+    cmd3 = builtins.compile(src, "<filename>", "exec")
+
+    ensure_tainted(
+        src,
+        cmd1,
+        cmd2,
+        cmd3,
+    )