Rewrite old refactoring tests a bit to reuse them

test/refactor/inline.py

@@ -1,18 +1,18 @@
-# --- simple
+# -------------------------------------------------- simple
 def test():
     #? 4
     a = (30 + b, c) + 1
     return test(100, a)
-# +++
+# ++++++++++++++++++++++++++++++++++++++++++++++++++
 def test():
     return test(100, (30 + b, c) + 1)
 
 
-# --- simple
+# -------------------------------------------------- simple
 if 1:
     #? 4
     a = 1, 2
     return test(100, a)
-# +++
+# ++++++++++++++++++++++++++++++++++++++++++++++++++
 if 1:
     return test(100, (1, 2))