Scratch tests: add check for toolwindow output

idea/testData/scratch/unresolvedMultiline.repl.after

@@ -1,7 +1,25 @@
-foo.forEach {           // ERROR: error: unresolved reference: foo
+foo.forEach {                                               // ERROR: error: unresolved reference: foo
     1 + 1
 }
 
-fun goo(a: String) {    // ERROR: error: unresolved reference: goo
+fun goo(a: String) {                                        // ERROR: error: unresolved reference: goo
     super.goo(a)
-}
+}
+/** error: unresolved reference: foo
+
+foo.forEach {
+
+^
+
+error: cannot choose among the following candidates without completing type inference:
+@HidesMembers public inline fun <T> Iterable<???>.forEach(action: (???) -> Unit): Unit defined in kotlin.collections
+@HidesMembers public inline fun <K, V> Map<out ???, ???>.forEach(action: (Map.Entry<???, ???>) -> Unit): Unit defined in kotlin.collections
+
+foo.forEach {
+
+^ */
+/** error: unresolved reference: goo
+
+super.goo(a)
+
+^ */