fix: harden react native overlay dismissal (#641)

Author: thymikee

src/__tests__/runtime-snapshot.test.ts

@@ -446,5 +446,5 @@ function assertReactNativeOverlayWarning(warnings: string[] | undefined) {
   assert.equal(warnings?.length, 1);
   assert.match(warnings[0] ?? '', /Hint: React Native warning\/error overlay detected/);
   assert.match(warnings[0] ?? '', /agent-device react-native dismiss-overlay/);
-  assert.match(warnings[0] ?? '', /agent-device snapshot -i -c/);
+  assert.match(warnings[0] ?? '', /verifies the overlay is gone/);
 }