[tests] add test

see #9585

tests/unit/src/unit/issues/Issue9585.hx

@@ -0,0 +1,36 @@
+package unit.issues;
+
+using StringTools;
+
+function getFloat():Dynamic {
+	return 12.34;
+}
+
+function getInt():Dynamic {
+	return 666;
+}
+
+function getBool():Dynamic {
+	return false;
+}
+
+function getArray():Dynamic {
+	return [1, 2, 3];
+}
+
+function getObject():Dynamic {
+	return {x: 0};
+}
+
+class Issue9585 extends Test {
+	function test() {
+		var value1 /* :Dynamic */ = getFloat();
+		var value2 /* :Dynamic */ = getInt();
+		var value3 /* :Dynamic */ = getBool();
+		var value4 /* :Dynamic */ = getArray();
+		var value5 /* :Dynamic */ = getObject();
+
+		var s:String = "Results: " + value1 + ", " + value2 + ", " + value3 + ", " + value4 + ", " + value5;
+		t(s.startsWith("Results: 12.34, 666, false, [1,2,3]"));
+	}
+}