Move IR interpreter's tests from ir/loweredIr directory into box

compiler/testData/codegen/box/involvesIrInterpreter/dumpIrAndCheck/constTrimMargin.kt

@@ -0,0 +1,22 @@
+// TARGET_BACKEND: JVM_IR
+// IGNORE_BACKEND_K1: JVM_IR
+// WITH_STDLIB
+
+const val trimMargin = "123".trimMargin()
+
+const val trimMarginDefault = """ABC
+                |123
+                |456""".trimMargin()
+
+const val withoutMargin = """
+    #XYZ
+    #foo
+    #bar
+""".trimMargin("#")
+
+fun box(): String {
+    if (trimMargin != "123") return "Fail 1"
+    if (trimMarginDefault != "ABC\n123\n456") return "Fail 2"
+    if (withoutMargin != "XYZ\nfoo\nbar") return "Fail 3"
+    return "OK"
+}