Add tests for secondary constructors

js/js.translator/testData/box/simple/secCtorDelegation4.kt

@@ -0,0 +1,26 @@
+// EXPECTED_REACHABLE_NODES: 1114
+package foo
+
+class Test(val bs: String) {
+
+    var i: Int = 0
+    var i2: Int = 0
+    var i3: Int =0
+
+    constructor(ii1: Int, ii2: Int): this("OK") {
+        i = ii1
+        i2 = ii2
+        i3 = 30
+    }
+
+    constructor(ii: Int): this(ii, 18) {
+    }
+
+    fun foo() = bs
+}
+
+fun box(): String {
+
+    val t = Test(1)
+    return t.foo()
+}