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

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

@@ -0,0 +1,25 @@
+package foo
+
+// CHECK_NOT_CALLED: abs
+
+inline fun abs(a: Int): Int {
+    if (a < 0) {
+        return a * -1
+    } else {
+        return a
+    }
+}
+
+val r1 = abs(1)
+val r2 = abs(-2)
+val r3 = abs(3)
+val r4 = abs(-4)
+
+fun box(): String {
+    assertEquals(1, r1)
+    assertEquals(2, r2)
+    assertEquals(3, r3)
+    assertEquals(4, r4)
+
+    return "OK"
+}