Additional unit tests to check nested media query lists

Author: clue

tests/inputs/media.scss

@@ -33,4 +33,22 @@
    }
 }
 
+@media a, b {
+    @media c {
+        color: blue;
+    }
+}
+
+@media a{
+    @media b, c {
+        color: blue;
+    }
+}
+
+@media a, b{
+    @media c, d {
+        color: blue;
+    }
+}
+
 

tests/outputs/media.css

@@ -26,3 +26,12 @@
     color: red;
   div {
     color: red; } }
+
+@media a and c, b and c {
+  color: blue; }
+
+@media a and b, a and c {
+  color: blue; }
+
+@media a and c, a and d, b and c, b and d {
+  color: blue; }