ci/tests: fix Azure Pipelines not running for pull requests

Closes #5111

diff --git a/.azure-pipelines.yml b/.azure-pipelines.yml
index 4e6a17c257625565e80ab50f1c57826141262429..17812e3276e01e5b7248dd8979a1551b2293d666 100644 (file)
--- a/.azure-pipelines.yml
+++ b/.azure-pipelines.yml
@@ -4,8 +4,16 @@
 # https://aka.ms/yaml
 
 trigger:
-- 'master'
-- '*/ci'
+  branches:
+    include:
+    - 'master'
+    - '*/ci'
+
+pr:
+  branches:
+    include:
+    - 'master'
+    - '*/ci'
 
 stages: