code: def setUp(self):
      self.dtype = numpy.dtype(self.dtype)
      self.tol = self._tol[self.dtype.char.lower()]
      self.a = testing.shaped_random(
          self.shape, cupy, dtype=self.dtype, order=self.order
      )
      self.x = testing.shaped_random(
          (self.shape[0],), cupy, dtype=self.dtype
      )
      self.y = testing.shaped_random(
          (self.shape[1],), cupy, dtype=self.dtype
      )
      self.alpha = 1.1
      if self.dtype.char in "FD":
          self.alpha = self.alpha - 1j * 0.9
  
imports: import numpy
  import pytest
  import cupy
  from cupy import cublas
  from cupy import testing
label_desc: Use image node_id 1 for calling the TestGer obj's underlying member method code with example usage: obj.setUp() without return types