Update TODO comment regarding pruning inner classes

Bug: 182524171
Change-Id: Id9b6e2ccb21b73766f29bd07a0066e22c6c7895d
diff --git a/src/test/java/com/android/tools/r8/shaking/attributes/InnerClassesSimpleTest.java b/src/test/java/com/android/tools/r8/shaking/attributes/InnerClassesSimpleTest.java
index 57f5a24..0474186 100644
--- a/src/test/java/com/android/tools/r8/shaking/attributes/InnerClassesSimpleTest.java
+++ b/src/test/java/com/android/tools/r8/shaking/attributes/InnerClassesSimpleTest.java
@@ -49,7 +49,7 @@
         .addKeepAllClassesRule()
         .allowDiagnosticInfoMessages(minify)
         .compile()
-        // TODO(b/182524171): This should not happen
+        // TODO(b/182524171): Prune inner class attributes if they are not kept.
         .assertAllInfoMessagesMatch(containsString("Malformed inner-class attribute"))
         .assertInfosCount(minify ? 4 : 0)
         .run(parameters.getRuntime(), Main.class)