[IR] add testdata for dumpKotlinLike

compiler/testData/ir/irText/declarations/annotations/variablesWithAnnotations.kt.txt

@@ -0,0 +1,18 @@
+annotation class TestAnn : Annotation {
+  constructor(x: String) /* primary */ 
+  val x: String
+    field = x
+    get
+
+
+
+
+}
+
+fun foo() {
+  @TestAnn(...)
+  val testVal: String = "testVal"
+  @TestAnn(...)
+  var testVar: String = "testVar"
+}
+