【unitest fix】fix xpu unitest error (#50036)

* fix xpu unitest error

* fix xpu unitest error

python/paddle/fluid/tests/unittests/xpu/test_expand_as_v2_op_xpu.py

@@ -134,7 +134,7 @@ class TestExpandAsV2API(unittest.TestCase):
     def test_api(self):
         input1 = np.random.random([12, 14]).astype("float32")
         input2 = np.random.random([2, 12, 14]).astype("float32")
-        x = paddle.static.data(name='x', shape=[-1, 12, 14], dtype="float32")
+        x = paddle.static.data(name='x', shape=[12, 14], dtype="float32")
 
         y = paddle.static.data(
             name='target_tensor',

python/paddle/fluid/tests/unittests/xpu/test_expand_v2_op_xpu.py

@@ -199,14 +199,14 @@ class TestExpandV2API(unittest.TestCase):
             input = np.random.random([12, 14]).astype("float32")
             x = paddle.static.data(
                 name='x',
-                shape=[-1, 12, 14],
+                shape=[12, 14],
                 dtype="float32",
             )
 
             positive_2 = fluid.layers.fill_constant([1], "int32", 12)
             expand_shape = paddle.static.data(
                 name="expand_shape",
-                shape=[-1, 2],
+                shape=[2],
                 dtype="int32",
             )
 

python/paddle/fluid/tests/unittests/xpu/test_index_select_op_xpu.py

@@ -94,7 +94,7 @@ class TestIndexSelectAPI(unittest.TestCase):
                 [5.0, 6.0, 7.0, 8.0],
                 [9.0, 10.0, 11.0, 12.0],
             ]
-        )
+        ).astype('float32')
         self.data_index = np.array([0, 1, 1]).astype('int32')
 
     def test_index_select_api(self):
@@ -102,7 +102,7 @@ class TestIndexSelectAPI(unittest.TestCase):
 
         # case 1:
         with program_guard(Program(), Program()):
-            x = paddle.static.data(name='x', shape=[-1, 4])
+            x = paddle.static.data(name='x', shape=[-1, 4], dtype='float32')
             index = paddle.static.data(name='index', shape=[3], dtype='int32')
             z = paddle.index_select(x, index, axis=1)
             exe = fluid.Executor(fluid.XPUPlace(0))
@@ -118,7 +118,7 @@ class TestIndexSelectAPI(unittest.TestCase):
 
         # case 2:
         with program_guard(Program(), Program()):
-            x = paddle.static.data(name='x', shape=[-1, 4])
+            x = paddle.static.data(name='x', shape=[-1, 4], dtype='float32')
             index = paddle.static.data(name='index', shape=[3], dtype='int32')
             z = paddle.index_select(x, index)
             exe = fluid.Executor(fluid.XPUPlace(0))