Submit PR again test=develop

Author: barrierye

python/paddle/fluid/tests/unittests/test_similarity_focus_op.py

@@ -57,7 +57,8 @@ def setUp(self):
                         if cnt == min(y_dim, z_dim):
                             break
                     channel[index] = -1
-            res = res.reshape(1, y_dim, z_dim).repeat([x_dim], axis=0)
+            res = res.reshape(1, y_dim, z_dim)
+            res = res.repeat([x_dim], axis=0)
             res = res.reshape(1, x_dim, y_dim, z_dim)
             if output is not None:
                 output = np.concatenate((output, res), axis=0)