git-if-needed: read patches from a series file.
Change-Id: I29c87e8448f89deaab0c04678296b25013982486
diff --git a/tools/git-if-needed/tests/data/openstack/nova/add-readme.patch b/tools/git-if-needed/tests/data/openstack/nova/add-readme.patch
new file mode 100644
index 0000000..5c09fa1
--- /dev/null
+++ b/tools/git-if-needed/tests/data/openstack/nova/add-readme.patch
@@ -0,0 +1,21 @@
+From 5fdf1ec10ca56c7b58328aa1a544d9ec395bd95f Mon Sep 17 00:00:00 2001
+From: Peter Penchev <openstack-dev@storpool.com>
+Date: Tue, 3 Dec 2019 16:15:52 +0200
+Subject: [PATCH] Add a README file in another repository.
+
+Change-Id: I227fed25c0565b65ad46fa6ff4386a4547f9af45
+---
+ README.txt | 1 +
+ 1 file changed, 1 insertion(+)
+ create mode 100644 README.txt
+
+diff --git a/README.txt b/README.txt
+new file mode 100644
+index 0000000..d4e7da7
+--- /dev/null
++++ b/README.txt
+@@ -0,0 +1 @@
++This is another file. It has no bearing on the first one.
+--
+2.24.0
+