diff --git a/app/src/test/resources/robolectric.properties b/app/src/test/resources/robolectric.properties
index 4efdf90..7ecde1c 100644
--- a/app/src/test/resources/robolectric.properties
+++ b/app/src/test/resources/robolectric.properties
@@ -1,3 +1,3 @@
-sdk=28
+sdk=22,28
 #shadows=org.fnives.test.showcase.testutils.shadow.ShadowSnackbar
 instrumentedPackages=androidx.loader.content