Python: options file was not enough, split into 2/3

I reckon this is due to the Python 3 version used by the Python 2 tests
is different from 3.12, so even with --lang=3 the tests are still using
an incompatible version :(

python/ql/test/2/query-tests/Summary/LinesOfCode.expected

@@ -0,0 +1 @@
+| 38 |

python/ql/test/3/query-tests/Summary/LinesOfCode.qlref

@@ -0,0 +1 @@
+Summary/LinesOfCode.ql

python/ql/test/3/query-tests/Summary/LinesOfUserCode.expected

@@ -0,0 +1 @@
+| 11 |

python/ql/test/3/query-tests/Summary/LinesOfUserCode.qlref

@@ -0,0 +1 @@
+Summary/LinesOfUserCode.ql

python/ql/test/3/query-tests/Summary/also_python_code

@@ -0,0 +1,7 @@
+#!/usr/bin/env python
+
+# although this is actually Python code, it is not included by the extractor by default.
+
+print("this is also code")
+
+print("but just dummy code")

python/ql/test/3/query-tests/Summary/my_file.py

@@ -0,0 +1,26 @@
+"""
+module level docstring
+
+is not included
+"""
+# this line is not code
+
+# `tty` was chosen for stability over python versions (so we don't get diffrent results
+# on different computers, that has different versions of Python).
+#
+# According to https://github.com/python/cpython/tree/master/Lib (at 2021-04-23) `tty`
+# was last changed in 2001, so chances of this being changed in the future are slim.
+import tty
+
+s = """
+all these lines are code
+"""
+
+print(s)
+
+def func():
+    """
+    this string is a doc-string. Although the module-level docstring is not considered
+    code, this one apparently is ¯\_(ツ)_/¯
+    """
+    pass

python/ql/test/3/query-tests/Summary/not_python

@@ -0,0 +1,5 @@
+#!/bin/bash
+
+# Although this is valid python code, it should not be counted as such.
+
+print("foo")

python/ql/test/query-tests/Summary/options

@@ -1 +0,0 @@
-semmle-extractor-options: --max-import-depth=1 --lang=3