diff --git a/changelog.d/4889.misc b/changelog.d/4889.misc
new file mode 100644
index 0000000000000000000000000000000000000000..f1948db65e6b1e8747eb91a84eccb4dc38cd3ef6
--- /dev/null
+++ b/changelog.d/4889.misc
@@ -0,0 +1 @@
+Use a regular HomeServerConfig object for unit tests rater than a Mock.