code: def before(self, n):
      @T.prim_func
      def func(A: T.Buffer(n, "float32")):
          for i in T.serial(n):
              A[i] = 0.0
  
      return func
  
imports: import tvm
  import tvm.testing
  from tvm.script import tir, ir_module
label_desc: Use image node_id 1 for calling the TestBeforeAfterParametrizedFixture obj's underlying member method code with example usage: obj.before(n) and returns: func