Add tests for secondary constructors

js/js.translator/testData/box/simple/secCtorDelegation1.kt

@@ -0,0 +1,35 @@
+// EXPECTED_REACHABLE_NODES: 1114
+package foo
+
+open class Base {
+    val i: Int
+    val i2: Int
+    val i3: Int
+    val bs: String
+
+    constructor(ii1: Int, ii2: Int) {
+        i = ii1
+        i2 = ii2
+        i3 = 30
+    }
+
+    constructor(ii: Int):  this(ii, 25) {
+    }
+
+    open fun foo() = bs
+
+    init {
+        bs = "fail"
+    }
+}
+
+class Test(val tt: String) : Base(18) {
+
+    override fun foo() = tt
+}
+
+fun box(): String {
+
+    val t = Test("OK")
+    return t.foo()
+}