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

js/js.translator/testData/box/enum/accessing.kt

@@ -0,0 +1,30 @@
+package foo
+
+enum class A {
+    FOO,
+
+    BAR() {
+        fun explicitFromEntry() = A.FOO
+        fun implicitFromEntry() = FOO
+    };
+
+    fun explicit() = A.FOO
+    fun implicit() = FOO
+}
+
+fun A.extExplicit() = A.FOO
+//fun A.extImplicit() = FOO
+
+fun box(): String {
+    assertEquals(A.FOO, A.FOO.explicit(), "explicit access")
+    assertEquals(A.FOO, A.FOO.implicit(), "implicit access")
+
+    assertEquals(A.FOO, A.FOO.explicit(), "explicit access from BAR")
+    assertEquals(A.FOO, A.FOO.implicit(), "implicit access from BAR")
+
+    assertEquals(A.FOO, A.FOO.extExplicit(), "explicit access from ext fun")
+    // TODO uncoment when KT-5605 will be fixed
+    //assertEquals(A.FOO, A.FOO.extImplicit(), "implicit access from ext fun")
+
+    return "OK"
+}