Update FarSeg unittest

tests/rs_models/test_seg_models.py

@@ -50,7 +50,7 @@ class TestFarSegModel(TestSegModel):
 
     def set_specs(self):
         self.specs = [
-            dict(), dict(num_classes=20), dict(encoder_pretrained=False),
+            dict(), dict(num_classes=20), dict(pretrained_encoder=False),
             dict(in_channels=10)
         ]