Add forgotten test file

Author: raxbg

tests/files/selector-ignores.css

@@ -0,0 +1,13 @@
+.some[selectors-may='contain-a-{'] {
+
+}
+
+.this-selector /* should remain-} */ .valid {
+  width:100px;
+}
+
+@media only screen and (min-width: 200px) {
+  .test {
+    prop: val;
+  }
+}