diff --git a/test/css/import-reference.css b/test/css/import-reference.css
index 4dc5490b..0d06c2bf 100644
--- a/test/css/import-reference.css
+++ b/test/css/import-reference.css
@@ -74,3 +74,9 @@ div#id.class[a=1][b=2].class:not(1) {
     color: red;
   }
 }
+.test {
+  color: red;
+}
+.test:first-child {
+  color: blue;
+}
diff --git a/test/less/import-reference.less b/test/less/import-reference.less
index e1477c50..77df43ba 100644
--- a/test/less/import-reference.less
+++ b/test/less/import-reference.less
@@ -19,3 +19,4 @@
 
 .class:extend(.class all) {
 }
+.mixin-with-nested-selectors();
\ No newline at end of file
diff --git a/test/less/import/import-reference.less b/test/less/import/import-reference.less
index f8f96425..f4c9c74d 100644
--- a/test/less/import/import-reference.less
+++ b/test/less/import/import-reference.less
@@ -49,7 +49,7 @@
     color: red;
   }
 }
-
+//https://github.com/less/less.js/issues/2359
 @supports (something: else) {
   .class {
     something: else;
@@ -63,3 +63,12 @@
     something: else;
   }
 }
+//https://github.com/less/less.js/issues/1979
+.mixin-with-nested-selectors() {
+  .test {
+    color: red;
+    &:first-child {
+      color: blue;
+    }
+  }
+}
\ No newline at end of file