reduce max dimensions to 9

Author: jaredcnance

aws_embedded_metrics/constants.py

@@ -12,4 +12,4 @@
 # limitations under the License.
 
 DEFAULT_NAMESPACE = "aws-embedded-metrics"
-MAX_DIMENSIONS = 10
+MAX_DIMENSIONS = 9

tests/serializer/test_log_serializer.py

@@ -28,11 +28,11 @@ def test_serialize_dimensions():
     assert_json_equality(result_json, expected)
 
 
-def test_cannot_serialize_more_than_10_dimensions():
+def test_cannot_serialize_more_than_9_dimensions():
     # arrange
     dimensions = {}
     dimension_pointers = []
-    allowed_dimensions = 10
+    allowed_dimensions = 9
     dimensions_to_add = 15
 
     for i in range(0, dimensions_to_add):