Add manet test

Author: qubvel

tests/models/test_manet.py

@@ -1,6 +1,27 @@
+import segmentation_models_pytorch as smp
+
 from tests.models import base
 
 
 class TestManetModel(base.BaseModelTester):
     test_model_type = "manet"
     files_for_diff = [r"decoders/manet/", r"base/"]
+
+    def test_interpolation(self):
+        # test bilinear
+        model_1 = smp.create_model(
+            self.test_model_type,
+            self.test_encoder_name,
+            decoder_interpolation="bilinear",
+        )
+        for block in model_1.decoder.blocks:
+            assert block.interpolation_mode == "bilinear"
+
+        # test bicubic
+        model_2 = smp.create_model(
+            self.test_model_type,
+            self.test_encoder_name,
+            decoder_interpolation="bicubic",
+        )
+        for block in model_2.decoder.blocks:
+            assert block.interpolation_mode == "bicubic"