Hash test update

lbmpy_tests/test_code_hashequivalence.py

@@ -11,7 +11,7 @@ def test_hash_equivalence():
     exactly the same code (not only functionally equivalent code) should be produced.
     Due to undefined order in sets and dicts this may no be the case.
     """
-    ref_value = "2cde9763ab71a9d5caba056e6d0011e553fa01ab71668ee32024ce3f68e7d698"
+    ref_value = "902be811a587c52e24ce03ec78d3defbb87d58eaaafbb9b47f823b960319e4be"
     ast = create_lb_ast(stencil='D3Q19', method='srt', optimization={'openmp': False})
     code = generate_c(ast)
     hash_value = sha256(code.encode()).hexdigest()