From f35eace00490c1349643fb72282d0dd3cb31211a Mon Sep 17 00:00:00 2001
From: Isuru Fernando <idf2@illinois.edu>
Date: Tue, 5 Jan 2021 01:58:02 -0600
Subject: [PATCH] Add docstring for the new test

---
 test/test_fmm.py | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/test/test_fmm.py b/test/test_fmm.py
index 50a0755c..637eb8b8 100644
--- a/test/test_fmm.py
+++ b/test/test_fmm.py
@@ -199,6 +199,11 @@ def test_sumpy_fmm(ctx_factory, knl, local_expn_class, mpole_expn_class):
 
 
 def test_unified_single_and_double(ctx_factory):
+    """
+    Test that running one FMM for single layer + double layer gives the
+    same result as running one FMM for each and adding the results together
+    at the end
+    """
     logging.basicConfig(level=logging.INFO)
 
     ctx = ctx_factory()
-- 
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