Simplify test to be Windows-compatible

tests/compile/function/test_function.py

@@ -50,8 +50,7 @@ def test_function_name():
     x = vector("x")
     func = function([x], x + 1.0)
 
-    regex = re.compile(f".*{__file__}c?")
-    assert regex.match(func.name) is not None
+    assert __file__ in func.name
 
 
 def test_trust_input():