Merge boxWithStdlib testData into box, delete BoxWithStdlib test

compiler/testData/codegen/box/when/enumOptimization/bigEnum.kt

@@ -0,0 +1,52 @@
+// WITH_RUNTIME
+
+import kotlin.test.assertEquals
+
+enum class BigEnum {
+    ITEM1, ITEM2, ITEM3, ITEM4, ITEM5, ITEM6, ITEM7, ITEM8, ITEM9, ITEM10,
+    ITEM11, ITEM12, ITEM13, ITEM14, ITEM15, ITEM16, ITEM17, ITEM18, ITEM19, ITEM20
+}
+
+fun bar1(x : BigEnum) : String {
+    when (x) {
+        BigEnum.ITEM1, BigEnum.ITEM2, BigEnum.ITEM3 -> return "123"
+        BigEnum.ITEM4, BigEnum.ITEM5, BigEnum.ITEM6 -> return "456"
+    }
+
+    return "-1";
+
+}
+
+fun bar2(x : BigEnum) : String {
+    when (x) {
+        BigEnum.ITEM7, BigEnum.ITEM8, BigEnum.ITEM9 -> return "789"
+        BigEnum.ITEM10 -> return "10"
+        BigEnum.ITEM11, BigEnum.ITEM12 -> return "1112"
+        else -> return "-1"
+    }
+}
+
+fun box() : String {
+    //bar1
+    assertEquals("123", bar1(BigEnum.ITEM1))
+    assertEquals("123", bar1(BigEnum.ITEM2))
+    assertEquals("123", bar1(BigEnum.ITEM3))
+
+    assertEquals("456", bar1(BigEnum.ITEM4))
+    assertEquals("456", bar1(BigEnum.ITEM5))
+    assertEquals("456", bar1(BigEnum.ITEM6))
+
+    assertEquals("-1", bar1(BigEnum.ITEM7))
+
+    //bar2
+    assertEquals("789", bar2(BigEnum.ITEM7))
+    assertEquals("789", bar2(BigEnum.ITEM8))
+    assertEquals("789", bar2(BigEnum.ITEM9))
+
+    assertEquals("10", bar2(BigEnum.ITEM10))
+
+    assertEquals("1112", bar2(BigEnum.ITEM11))
+    assertEquals("1112", bar2(BigEnum.ITEM12))
+
+    return "OK"
+}