add rudimentary support for Config PutEvaluations with TestMode for now

tests/test_config/test_config.py

@@ -1802,3 +1802,68 @@ def test_batch_get_aggregate_resource_config():
         len(result["UnprocessedResourceIdentifiers"]) == 1
         and result["UnprocessedResourceIdentifiers"][0]["SourceRegion"] == "eu-west-1"
     )
+
+
+@mock_config
+def test_put_evaluations():
+    client = boto3.client("config", region_name="us-west-2")
+
+    # Try without Evaluations supplied:
+    with assert_raises(ClientError) as ce:
+        client.put_evaluations(Evaluations=[], ResultToken="test", TestMode=True)
+    assert ce.exception.response["Error"]["Code"] == "InvalidParameterValueException"
+    assert (
+        "The Evaluations object in your request cannot be null"
+        in ce.exception.response["Error"]["Message"]
+    )
+
+    # Try without a ResultToken supplied:
+    with assert_raises(ClientError) as ce:
+        client.put_evaluations(
+            Evaluations=[
+                {
+                    "ComplianceResourceType": "AWS::ApiGateway::RestApi",
+                    "ComplianceResourceId": "test-api",
+                    "ComplianceType": "INSUFFICIENT_DATA",
+                    "OrderingTimestamp": datetime(2015, 1, 1),
+                }
+            ],
+            ResultToken="",
+            TestMode=True,
+        )
+    assert ce.exception.response["Error"]["Code"] == "InvalidResultTokenException"
+
+    # Try without TestMode supplied:
+    with assert_raises(NotImplementedError) as ce:
+        client.put_evaluations(
+            Evaluations=[
+                {
+                    "ComplianceResourceType": "AWS::ApiGateway::RestApi",
+                    "ComplianceResourceId": "test-api",
+                    "ComplianceType": "INSUFFICIENT_DATA",
+                    "OrderingTimestamp": datetime(2015, 1, 1),
+                }
+            ],
+            ResultToken="test",
+        )
+
+    # Now with proper params:
+    response = client.put_evaluations(
+        Evaluations=[
+            {
+                "ComplianceResourceType": "AWS::ApiGateway::RestApi",
+                "ComplianceResourceId": "test-api",
+                "ComplianceType": "INSUFFICIENT_DATA",
+                "OrderingTimestamp": datetime(2015, 1, 1),
+            }
+        ],
+        TestMode=True,
+        ResultToken="test",
+    )
+
+    # this is hard to match against, so remove it
+    response["ResponseMetadata"].pop("HTTPHeaders", None)
+    response["ResponseMetadata"].pop("RetryAttempts", None)
+    response.should.equal(
+        {"FailedEvaluations": [], "ResponseMetadata": {"HTTPStatusCode": 200,},}
+    )