[Test] Add handler for comparing pretty kt ir dumps

compiler/testData/ir/irText/firProblems/FirBuilder.kt.txt

@@ -1,3 +1,22 @@
+// MODULE: m1
+// FILE: BaseFirBuilder.kt
+
+abstract class BaseFirBuilder<T : Any?> {
+  constructor() /* primary */ {
+    super/*Any*/()
+    /* <init>() */
+
+  }
+
+  inline fun <T : Any?> withCapturedTypeParameters(block: Function0<T>): T {
+    return block.invoke()
+  }
+
+}
+
+// MODULE: m2
+// FILE: FirBuilder.kt
+
 open class BaseConverter : BaseFirBuilder<Any> {
   constructor() /* primary */ {
     super/*BaseFirBuilder*/<Any>()