Add test for top level classes added from defs in nested packages

tests/run-macros/annot-add-global-class.check

@@ -1,4 +1,12 @@
-macro generated main
-executed in: Bar$macro$1
-macro generated main
-executed in: Bar$macro$2
+macro generated class
+executed in: Bar$macro$5
+macro generated class
+executed in: Bar$macro$6
+macro generated class
+executed in: a.Bar$macro$3
+macro generated class
+executed in: a.b.Bar$macro$1
+macro generated class
+executed in: a.Bar$macro$4
+macro generated class
+executed in: a.c.Bar$macro$2

tests/run-macros/annot-add-global-class/Macro_1.scala

@@ -1,3 +1,5 @@
+package mymacro
+
 import scala.annotation.{experimental, MacroAnnotation}
 import scala.quoted._
 import scala.collection.mutable

tests/run-macros/annot-add-global-class/Test_2.scala

@@ -1,5 +1,7 @@
+import mymacro.addClass
+
 @addClass def foo(): Unit =
-  println("macro generated main")
+  println("macro generated class")
   println("executed in: " + (new Throwable().getStackTrace().head.getClassName))
 //> class Baz$macro$1 extends Object {
 //>   def run() =
@@ -10,16 +12,39 @@
 //>   new Baz$macro$1.run
 
 @addClass def bar(): Unit =
-  println("macro generated main")
+  println("macro generated class")
   println("executed in: " + (new Throwable().getStackTrace().head.getClassName))
 //> class Baz$macro$2 extends Object {
 //>   def run() =
 //>     println("macro generated main")
 //>     println("executed in: " + getClass.getName)
 //> }
-//> def foo(): Unit =
+//> def bar(): Unit =
 //>   new Baz$macro$2.run
 
+package a:
+  @addClass def foo(): Unit =
+    println("macro generated class")
+    println("executed in: " + (new Throwable().getStackTrace().head.getClassName))
+
+  package b:
+    @addClass def foo(): Unit =
+      println("macro generated class")
+      println("executed in: " + (new Throwable().getStackTrace().head.getClassName))
+
+  @addClass def bar(): Unit =
+    println("macro generated class")
+    println("executed in: " + (new Throwable().getStackTrace().head.getClassName))
+
+  package c:
+    @addClass def foo(): Unit =
+      println("macro generated class")
+      println("executed in: " + (new Throwable().getStackTrace().head.getClassName))
+
 @main def Test(): Unit =
   foo()
   bar()
+  a.foo()
+  a.b.foo()
+  a.bar()
+  a.c.foo()