Add failing test.

Author: back2dos

tests/Issue44.hx

@@ -0,0 +1,21 @@
+import js.Browser.*;
+import coconut.vdom.Renderer.*;
+
+@:asserts
+class Issue44 {
+  public static var clicks = 0;
+  public static var computations = 0;
+  public function new() {}
+  public function run() {
+    var root = document.createElement("div");
+    document.body.appendChild(root);
+    
+    var child = root;
+
+    try mount(root, hxx('<div ref={v -> child = v} style=${{ "--foo": 123 }}/>'))
+    catch (_) {};
+      
+    asserts.assert(child.style.getPropertyValue('--foo') == "123");
+    return asserts.done();
+  }
+}

tests/RunTests.hx

@@ -16,6 +16,7 @@ class RunTests {
       new RunTests(),
       new Issue32(),
       new Issue37(),
+      new Issue44(),
     ])).handle(Runner.exit);
   }