[IR] dumpKotlinLike: add testdata for FIR tests

compiler/testData/ir/irText/declarations/parameters/dataClassMembers.fir.kt.txt

@@ -0,0 +1,58 @@
+data class Test<T : Any?> {
+  constructor(x: T, y: String = "") /* primary */ {
+    super/*Any*/()
+    /* <init>() */
+
+  }
+
+  val x: T
+    field = x
+    get
+
+  val y: String
+    field = y
+    get
+
+  fun component1(): T {
+    return <this>.#x
+  }
+
+  fun component2(): String {
+    return <this>.#y
+  }
+
+  fun copy(x: T = <this>.#x, y: String = <this>.#y): Test<T> {
+    return Test<Any>(x = x, y = y)
+  }
+
+  override fun equals(other: Any?): Boolean {
+    when {
+      EQEQEQ(arg0 = <this>, arg1 = other) -> return true
+    }
+    when {
+      other !is Test<T> -> return false
+    }
+    val tmp0_other_with_cast: Test<T> = other as Test<T>
+    when {
+      EQEQ(arg0 = <this>.#x, arg1 = tmp0_other_with_cast.#x).not() -> return false
+    }
+    when {
+      EQEQ(arg0 = <this>.#y, arg1 = tmp0_other_with_cast.#y).not() -> return false
+    }
+    return true
+  }
+
+  override fun hashCode(): Int {
+    var result: Int = when {
+      EQEQ(arg0 = <this>.#x, arg1 = null) -> 0
+      else -> <this>.#x.hashCode()
+    }
+    result = result.times(other = 31).plus(other = <this>.#y.hashCode())
+    return result
+  }
+
+  override fun toString(): String {
+    return "Test(" + "x=" + <this>.#x + ", " + "y=" + <this>.#y + ")"
+  }
+
+}