diff --git a/python/chronos/dev/test/run-pytests-tf1.sh b/python/chronos/dev/test/run-pytests-tf1.sh
index 72bc242f7432..55fd5fadb56d 100755
--- a/python/chronos/dev/test/run-pytests-tf1.sh
+++ b/python/chronos/dev/test/run-pytests-tf1.sh
@@ -28,7 +28,7 @@ fi
 ray stop -f
 
 echo "Running chronos tests TF1 and Deprecated API"
-python -m pytest -v -m "skipif and tf1" test/bigdl/chronos/model/
+python -m pytest -v -m "skipif and tf1" test/bigdl/chronos/model/tf1/
 
 exit_status_0=$?
 if [ $exit_status_0 -ne 0 ];
diff --git a/python/chronos/test/bigdl/chronos/model/tf1/__init__.py b/python/chronos/test/bigdl/chronos/model/tf1/__init__.py
index 2151a805423a..c01e6f73e9b7 100644
--- a/python/chronos/test/bigdl/chronos/model/tf1/__init__.py
+++ b/python/chronos/test/bigdl/chronos/model/tf1/__init__.py
@@ -13,3 +13,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
+import pytest
+import tensorflow as tf
+skip_tf = pytest.mark.skipif(tf.__version__ > '2.0.0', reason="Run only when tf==1.15.0.")
\ No newline at end of file
diff --git a/python/chronos/test/bigdl/chronos/model/tf1/test_Seq2Seq_keras.py b/python/chronos/test/bigdl/chronos/model/tf1/test_Seq2Seq_keras.py
index 3f4450260b29..d61c56ae34e7 100644
--- a/python/chronos/test/bigdl/chronos/model/tf1/test_Seq2Seq_keras.py
+++ b/python/chronos/test/bigdl/chronos/model/tf1/test_Seq2Seq_keras.py
@@ -23,9 +23,10 @@
 from numpy.testing import assert_array_almost_equal
 import pandas as pd
 import numpy as np
+from . import skip_tf
 
 
-@pytest.mark.skipif(tf.__version__ > '2.0.0', reason="Run only when tf==1.15.0.")
+@skip_tf
 @pytest.mark.tf1
 class TestSeq2Seq(ZooTestCase):
 
diff --git a/python/chronos/test/bigdl/chronos/model/tf1/test_VanillaLSTM_keras.py b/python/chronos/test/bigdl/chronos/model/tf1/test_VanillaLSTM_keras.py
index d38a21c4af1c..24c11d46cd68 100644
--- a/python/chronos/test/bigdl/chronos/model/tf1/test_VanillaLSTM_keras.py
+++ b/python/chronos/test/bigdl/chronos/model/tf1/test_VanillaLSTM_keras.py
@@ -21,6 +21,7 @@
 import tempfile
 import os
 import tensorflow as tf
+from . import skip_tf
 
 
 def create_data():
@@ -41,7 +42,8 @@ def get_x_y(num_samples):
     test_data = get_x_y(num_test_samples)
     return train_data, val_data, test_data
 
-@pytest.mark.skipif(tf.__version__ > '2.0.0', reason="Run only when tf==1.15.0.")
+
+@skip_tf
 @pytest.mark.tf1
 class TestVanillaLSTM(TestCase):
     train_data, val_data, test_data = create_data()
diff --git a/python/chronos/test/bigdl/chronos/model/tf1/test_mtnet_keras.py b/python/chronos/test/bigdl/chronos/model/tf1/test_mtnet_keras.py
index 7c9c9240a6de..b39936dcfee8 100644
--- a/python/chronos/test/bigdl/chronos/model/tf1/test_mtnet_keras.py
+++ b/python/chronos/test/bigdl/chronos/model/tf1/test_mtnet_keras.py
@@ -24,6 +24,7 @@
 import numpy as np
 import tensorflow as tf
 from numpy.testing import assert_array_almost_equal
+from . import skip_tf
 
 
 def create_data():
@@ -51,8 +52,7 @@ def get_data(num_samples):
         tsdata.roll(lookback=lookback, horizon=horizon)
     return tsdata_train, tsdata_test
 
-
-@pytest.mark.skipif(tf.__version__ > '2.0.0', reason="Run only when tf==1.15.0.")
+@skip_tf
 @pytest.mark.tf1
 class TestMTNetKeras(ZooTestCase):