diff --git a/tests/reftests/Makefile.am b/tests/reftests/Makefile.am
index 6d6c6f0f76..db712663d8 100644
--- a/tests/reftests/Makefile.am
+++ b/tests/reftests/Makefile.am
@@ -224,6 +224,9 @@ EXTRA_DIST += \
shorthand-entry-border.ui \
simple.ref.ui \
simple.ui \
+ sizegroups-basics.css \
+ sizegroups-basics.ui \
+ sizegroups-basics.ref.ui \
style-properties-nth-child.css \
style-properties-nth-child.ref.ui \
style-properties-nth-child.ui \
diff --git a/tests/reftests/sizegroups-basics.css b/tests/reftests/sizegroups-basics.css
new file mode 100644
index 0000000000..6ae37b9fc9
--- /dev/null
+++ b/tests/reftests/sizegroups-basics.css
@@ -0,0 +1,5 @@
+GtkLabel {
+ background-image: none;
+ background-color: purple;
+ color: white;
+}
diff --git a/tests/reftests/sizegroups-basics.ref.ui b/tests/reftests/sizegroups-basics.ref.ui
new file mode 100644
index 0000000000..a1f0af1b56
--- /dev/null
+++ b/tests/reftests/sizegroups-basics.ref.ui
@@ -0,0 +1,53 @@
+
+
+
+
+
diff --git a/tests/reftests/sizegroups-basics.ui b/tests/reftests/sizegroups-basics.ui
new file mode 100644
index 0000000000..4e6693af73
--- /dev/null
+++ b/tests/reftests/sizegroups-basics.ui
@@ -0,0 +1,60 @@
+
+
+
+
+ False
+
+
+ True
+ False
+ vertical
+
+
+ True
+ False
+ vertical
+
+
+ True
+
+
+ 0
+ 0
+
+
+
+
+ True
+ medium
+
+
+ 1
+ 1
+
+
+
+
+ True
+ wrap this very long text please or I'll need to write even more
+ True
+
+
+ 2
+ 2
+
+
+
+
+
+
+
+
+ both
+ True
+
+
+
+
+
+
+