Fix nightly tests (#1712)

Signed-off-by: Tom Wildenhain <tomwi@microsoft.com>

tests/common.py

@@ -45,7 +45,9 @@
     "group_nodes_by_type",
     "test_ms_domain",
     "check_node_domain",
-    "check_op_count"
+    "check_op_count",
+    "check_gru_count",
+    "check_lstm_count",
 ]
 
 

tests/run_pretrained_models.yaml

@@ -210,6 +210,7 @@ googlenet_v4_slim:
   rtol: 0.1
 
 mobilenet_v3_large_float:
+  tf_min_version: 1.14  # explicit_paddings for Conv2D
   url: https://storage.googleapis.com/mobilenet_v3/checkpoints/v3-large_224_1.0_float.tgz
   model: v3-large_224_1.0_float/v3-large_224_1.0_float.pb
   input_get: get_beach
@@ -428,7 +429,7 @@ faster_rcnn_inception_v2_coco:
     - num_detections:0
 
 keras_resnet50:
-  tf_min_version: 2.1
+  tf_min_version: 2.2
   disabled: false
   url: module://tensorflow.keras.applications.resnet50/ResNet50
   model: ResNet50
@@ -440,7 +441,7 @@ keras_resnet50:
     - Identity:0
 
 keras_mobilenet_v2:
-  tf_min_version: 2.1
+  tf_min_version: 2.2
   disabled: false
   url: module://tensorflow.keras.applications.mobilenet_v2/MobileNetV2
   model: MobileNetV2

tests/test_gru.py

@@ -9,7 +9,7 @@
 from tensorflow.python.ops import init_ops
 from tensorflow.python.ops import variable_scope
 from backend_test_base import Tf2OnnxBackendTestBase
-from common import unittest_main, check_gru_count, check_opset_after_tf_version, check_op_count, check_tf_min_version
+from common import *  # pylint: disable=wildcard-import,unused-wildcard-import
 from tf2onnx.tf_loader import is_tf2
 
 # pylint: disable=missing-docstring,invalid-name,unused-argument,using-constant-test,cell-var-from-loop
@@ -607,6 +607,7 @@ def func(x):
                            graph_validator=lambda g: check_gru_count(g, 1))
 
     @check_opset_after_tf_version("1.15", 10, "might need ReverseV2")
+    @skip_tf_versions(["2.1"], "TF fails to correctly add output_2 node.")
     def test_dynamic_multi_bigru_with_same_input_hidden_size(self):
         batch_size = 10
         x_val = np.array([[1., 1.], [2., 2.], [3., 3.]], dtype=np.float32)
@@ -660,6 +661,7 @@ def func(x):
         # graph_validator=lambda g: check_gru_count(g, 2))
 
     @check_opset_after_tf_version("1.15", 10, "might need ReverseV2")
+    @skip_tf_versions(["2.1"], "TF fails to correctly add output_2 node.")
     def test_dynamic_multi_bigru_with_same_input_seq_len(self):
         units = 5
         batch_size = 10
@@ -714,7 +716,7 @@ def func(x, y1, y2):
         self.run_test_case(func, feed_dict, input_names_with_port, output_names_with_port, rtol=1e-3, atol=1e-06)
         # graph_validator=lambda g: check_gru_count(g, 2))
 
-    @check_tf_min_version("2.0")
+    @check_tf_min_version("2.2")
     def test_keras_gru(self):
         in_shape = [10, 3]
         x_val = np.random.uniform(size=[2, 10, 3]).astype(np.float32)