Fix more tests

Author: jroesch

tests/python/relay/test_pass_combine_parallel_dense.py

@@ -29,6 +29,7 @@ def run_combine_parallel(expr, min_num_branches=3, to_batch=True):
 def run_opt_pass(expr, opt_pass):
     assert isinstance(opt_pass, tvm.transform.Pass)
     mod = tvm.IRModule.from_expr(expr)
+    mod = tvm.relay.transform.InferType()(mod)
     mod = opt_pass(mod)
     return mod["main"]