[IR] add testdata for dumpKotlinLike

compiler/testData/ir/irText/expressions/simpleOperators.kt.txt

@@ -0,0 +1,44 @@
+fun test1(a: Int, b: Int): Int {
+  return a.plus(other = b)
+}
+
+fun test2(a: Int, b: Int): Int {
+  return a.minus(other = b)
+}
+
+fun test3(a: Int, b: Int): Int {
+  return a.times(other = b)
+}
+
+fun test4(a: Int, b: Int): Int {
+  return a.div(other = b)
+}
+
+fun test5(a: Int, b: Int): Int {
+  return a.rem(other = b)
+}
+
+fun test6(a: Int, b: Int): IntRange {
+  return a.rangeTo(other = b)
+}
+
+fun test1x(a: Int, b: Int): Int {
+  return a.plus(other = b)
+}
+
+fun test2x(a: Int, b: Int): Int {
+  return a.minus(other = b)
+}
+
+fun test3x(a: Int, b: Int): Int {
+  return a.times(other = b)
+}
+
+fun test4x(a: Int, b: Int): Int {
+  return a.div(other = b)
+}
+
+fun test5x(a: Int, b: Int): Int {
+  return a.rem(other = b)
+}
+