add unit test

Author: mollyheamazon

tests/unit/sagemaker/modules/train/test_model_trainer.py

@@ -202,6 +202,17 @@ def model_trainer():
             },
             "should_throw": False,
         },
+        {
+            "init_params": {
+                "training_image": DEFAULT_IMAGE,
+                "source_code": SourceCode(
+                    source_dir=DEFAULT_SOURCE_DIR,
+                    command="python custom_script.py",
+                    ignore_patterns=["data"]
+                ),
+            },
+            "should_throw": False,
+        },
     ],
     ids=[
         "no_params",
@@ -213,6 +224,7 @@ def model_trainer():
         "supported_source_code_local_tar_file",
         "supported_source_code_s3_dir",
         "supported_source_code_s3_tar_file",
+        "supported_source_code_ignore_patterns"
     ],
 )
 def test_model_trainer_param_validation(test_case, modules_session):