fix bugs

Author: chaoming0625

brainpy/dyn/layers/tests/test_conv.py

@@ -7,7 +7,7 @@
 import jax.numpy as jnp
 import numpy as np
 import matplotlib.pyplot as plt
-
+bp.math.random.seed()
 
 class TestConv(TestCase):
   def test_Conv2D_img(self):

brainpy/dyn/layers/tests/test_pooling.py

@@ -7,6 +7,7 @@
 
 import brainpy as bp
 import brainpy.math as bm
+bm.random.seed()
 
 
 class TestPool(TestCase):

brainpy/math/operators/tests/test_op_register.py

@@ -7,6 +7,8 @@
 import brainpy as bp
 import brainpy.math as bm
 
+
+bm.random.seed()
 bm.set_platform('cpu')
 
 

brainpy/math/surrogate/tests/test_compat.py

@@ -5,6 +5,7 @@
 from functools import partial
 
 import brainpy.math as bm
+bm.random.seed()
 
 
 def test_sp_sigmoid_grad():