JS: create new common directory for all generated tests, migrate several tests there

js/js.translator/testData/box/inline/thisLiteralAliasing.kt

@@ -0,0 +1,24 @@
+package foo
+
+class A() {
+    public var param: Int = 0
+
+    inline public fun setParam(value: Int) {
+        val b = B(value)
+        b.setParam(this)
+    }
+}
+
+class B(val value: Int) {
+    inline fun setParam(a: A) {
+        a.param = this.value
+    }
+}
+
+public fun box(): String {
+    val a = A()
+    a.setParam(10)
+    assertEquals(10, a.param)
+
+    return "OK"
+}