JS: move inline test to box tests

js/js.translator/testData/box/inlineStdlib/thisInExtension.kt

@@ -0,0 +1,31 @@
+package foo
+
+// CHECK_CONTAINS_NO_CALLS: testImplicitThis
+// CHECK_CONTAINS_NO_CALLS: testExplicitThis
+
+internal class A(var value: Int)
+
+internal fun testImplicitThis(a: A, newValue: Int) {
+    with (a) {
+        value = newValue
+    }
+}
+
+internal fun testExplicitThis(a: A, newValue: Int) {
+    with (a) {
+        this.value = newValue
+    }
+}
+
+fun box(): String {
+    val a = A(0)
+    assertEquals(0, a.value)
+
+    testImplicitThis(a, 10)
+    assertEquals(10, a.value)
+
+    testExplicitThis(a, 20)
+    assertEquals(20, a.value)
+
+    return "OK"
+}