diff --git a/tests/test_emr/test_emr_boto3.py b/tests/test_emr/test_emr_boto3.py
index a00de164b..524cdcd55 100644
--- a/tests/test_emr/test_emr_boto3.py
+++ b/tests/test_emr/test_emr_boto3.py
@@ -438,6 +438,19 @@ def test_run_job_flow_with_visible_to_all_users():
         resp = client.describe_cluster(ClusterId=cluster_id)
         resp["Cluster"]["VisibleToAllUsers"].should.equal(expected)
 
+def _do_assertion_ebs_configuration(x, y):
+    total_volumes = 0
+    total_size = 0
+    for ebs_block in y["EbsConfiguration"]["EbsBlockDeviceConfigs"]:
+        total_volumes += ebs_block["VolumesPerInstance"]
+        total_size += ebs_block["VolumeSpecification"]["SizeInGB"]
+    # Multiply by total volumes
+    total_size = total_size * total_volumes
+    comp_total_size = 0
+    for ebs_block in x["EbsBlockDevices"]:
+        comp_total_size += ebs_block["VolumeSpecification"]["SizeInGB"]
+    len(x["EbsBlockDevices"]).should.equal(total_volumes)
+    comp_total_size.should.equal(comp_total_size)
 
 @mock_emr
 def test_run_job_flow_with_instance_groups():
@@ -456,8 +469,9 @@ def test_run_job_flow_with_instance_groups():
         x["Market"].should.equal(y["Market"])
         if "BidPrice" in y:
             x["BidPrice"].should.equal(y["BidPrice"])
+
         if "EbsConfiguration" in y:
-            x["EbsConfiguration"].should.equal(y["EbsConfiguration"])
+            _do_assertion_ebs_configuration(x, y)
 
 
 @mock_emr
@@ -635,18 +649,7 @@ def test_instance_groups():
         if hasattr(y, "BidPrice"):
             x["BidPrice"].should.equal("BidPrice")
         if "EbsConfiguration" in y:
-            total_volumes = 0
-            total_size = 0
-            for ebs_block in y["EbsConfiguration"]["EbsBlockDeviceConfigs"]:
-                total_volumes += ebs_block["VolumesPerInstance"]
-                total_size += ebs_block["VolumeSpecification"]["SizeInGB"]
-            # Multiply by total volumes
-            total_size = total_size * total_volumes
-            comp_total_size = 0
-            for ebs_block in x["EbsBlockDevices"]:
-                comp_total_size += ebs_block["VolumeSpecification"]["SizeInGB"]
-            len(x["EbsBlockDevices"]).should.equal(total_volumes)
-            comp_total_size.should.equal(comp_total_size)
+            _do_assertion_ebs_configuration(x, y)
         # Configurations
         # EbsBlockDevices
         # EbsOptimized