Fix function parameter order and update test case

Author: AndPuQing

python/paddle/tensor/linalg.py

@@ -2183,7 +2183,7 @@ def bmm(x, y, name=None):
 
 
 def histogram(
- input, weight=None, density: bool = False, bins=100, min=0, max=0, name=None
+ input, density: bool = False, bins=100, min=0, max=0, weight=None, name=None
 ):
  """
  Computes the histogram of a tensor. The elements are sorted into equal width bins between min and max.

test/legacy_test/test_imperative_layers.py

@@ -85,7 +85,9 @@ def test_layer_str(self):
  self.assertEqual(str(module), 'Tanhshrink()')
 
  module = nn.ThresholdedReLU()
- self.assertEqual(str(module), 'ThresholdedReLU(threshold=1.0)')
+ self.assertEqual(
+ str(module), 'ThresholdedReLU(threshold=1.0, value=0.0)'
+ )
 
  module = nn.LogSigmoid()
  self.assertEqual(str(module), 'LogSigmoid()')