diff --git a/tests/python3_spread/__snapshots__/jsfmt.spec.js.snap b/tests/python3_spread/__snapshots__/jsfmt.spec.js.snap
new file mode 100644
index 0000000..525bbbf
--- /dev/null
+++ b/tests/python3_spread/__snapshots__/jsfmt.spec.js.snap
@@ -0,0 +1,40 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`args_mixed.py 1`] = `
+context = {
+    **modeladmin.admin_site.each_context(request),
+    'title': title,
+    'objects_name': str(objects_name),
+    'deletable_objects': [deletable_objects],
+    'model_count': dict(model_count).items(),
+    'queryset': queryset,
+    'perms_lacking': perms_needed,
+    'protected': protected,
+    'opts': opts,
+    'action_checkbox_name': helpers.ACTION_CHECKBOX_NAME,
+    'media': modeladmin.media
+}
+
+dict(**{'x': 1}, y=2, **{'z': 3})
+
+combination = {**first_dictionary, "x": 1, "y": 2}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+context = {
+    **modeladmin.admin_site.each_context(request),
+    "title": title,
+    "objects_name": str(objects_name),
+    "deletable_objects": [deletable_objects],
+    "model_count": dict(model_count).items(),
+    "queryset": queryset,
+    "perms_lacking": perms_needed,
+    "protected": protected,
+    "opts": opts,
+    "action_checkbox_name": helpers.ACTION_CHECKBOX_NAME,
+    "media": modeladmin.media
+}
+
+dict(**{"x": 1}, y=2, **{"z": 3})
+
+combination = {**first_dictionary, "x": 1, "y": 2}
+
+`;
diff --git a/tests/python3_spread/args_mixed.py b/tests/python3_spread/args_mixed.py
new file mode 100644
index 0000000..e121c30
--- /dev/null
+++ b/tests/python3_spread/args_mixed.py
@@ -0,0 +1,17 @@
+context = {
+    **modeladmin.admin_site.each_context(request),
+    'title': title,
+    'objects_name': str(objects_name),
+    'deletable_objects': [deletable_objects],
+    'model_count': dict(model_count).items(),
+    'queryset': queryset,
+    'perms_lacking': perms_needed,
+    'protected': protected,
+    'opts': opts,
+    'action_checkbox_name': helpers.ACTION_CHECKBOX_NAME,
+    'media': modeladmin.media
+}
+
+dict(**{'x': 1}, y=2, **{'z': 3})
+
+combination = {**first_dictionary, "x": 1, "y": 2}
diff --git a/tests/python3_spread/jsfmt.spec.js b/tests/python3_spread/jsfmt.spec.js
new file mode 100644
index 0000000..a535402
--- /dev/null
+++ b/tests/python3_spread/jsfmt.spec.js
@@ -0,0 +1,3 @@
+run_spec(__dirname, ["python"], {
+  pythonVersion: "3"
+});