[IR] dumpKotlinLike: add testdata for FIR tests

compiler/testData/ir/irText/expressions/arrayAugmentedAssignment1.fir.kt.txt

@@ -0,0 +1,45 @@
+fun foo(): IntArray {
+  return intArrayOf(elements = [1, 2, 3])
+}
+
+fun bar(): Int {
+  return 42
+}
+
+class C {
+  constructor(x: IntArray) /* primary */ {
+    super/*Any*/()
+    /* <init>() */
+
+  }
+
+  val x: IntArray
+    field = x
+    get
+
+}
+
+fun testVariable() {
+  var x: IntArray = foo()
+  { // BLOCK
+    val <<array>>: IntArray = x
+    val <<index_0>>: Int = 0
+    <<array>>.set(index = <<index_0>>, value = <<array>>.get(index = <<index_0>>).plus(other = 1))
+  }
+}
+
+fun testCall() {
+  { // BLOCK
+    val <<array>>: IntArray = foo()
+    val <<index_0>>: Int = bar()
+    <<array>>.set(index = <<index_0>>, value = <<array>>.get(index = <<index_0>>).times(other = 2))
+  }
+}
+
+fun testMember(c: C) {
+  val <array>: IntArray = c.<get-x>()
+  val <index0>: Int = 0
+  val <unary>: Int = <array>.get(index = <index0>)
+  <array>.set(index = <index0>, value = <unary>.inc())
+  <unary> /*~> Unit */
+}