Migrate func_typecheck_callfunc_assigment.py to new functional tests

Author: Pierre-Sassoulas

tests/input/func_typecheck_callfunc_assigment.py renamed to tests/functional/a/assigment_from_no_return.py

@@ -15,22 +15,22 @@ def func_no_return():
     """function without return"""
     print('dougloup')
 
-A = func_no_return()
+A = func_no_return()  # [assignment-from-no-return]
 
 
 def func_return_none():
     """function returning none"""
     print('dougloup')
     return None
 
-A = func_return_none()
+A = func_return_none()  # [assignment-from-none]
 
 
 def func_implicit_return_none():
     """Function returning None from bare return statement."""
     return
 
-A = func_implicit_return_none()
+A = func_implicit_return_none()  # [assignment-from-none]
 
 
 def func_return_none_and_smth():

tests/functional/a/assigment_from_no_return.txt

@@ -0,0 +1,3 @@
+assignment-from-no-return:18:0::Assigning result of a function call, where the function has no return
+assignment-from-none:26:0::Assigning result of a function call, where the function returns None
+assignment-from-none:33:0::Assigning result of a function call, where the function returns None