diff --git a/test/package/package_test.ww b/test/package/package_test.ww
index 20f9a9e3..232e865b 100644
--- a/test/package/package_test.ww
+++ b/test/package/package_test.ww
@@ -552,9 +552,9 @@ fn mkdirall(path: str) void = {
 	assert(has(out.stderr,
 		"test package must match production package or <package>_test"));
 
-	// The bootstrap drivers store package identities in the same 256-byte
-	// slot. Reject an overlong coordinator selector before either stage can
-	// truncate it into a different package graph.
+	// Package declarations are validation/kind data, not fixed driver storage.
+	// A 256-byte selector must reach both stages intact and run under the same
+	// reversible outside-root identity instead of preserving the old slot cap.
 	let longdir: str = strings.concat(root, "/long-package");
 	assert(os.mkdir(longdir, 448i32) == 0);
 	let chunk: str = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa";
@@ -563,6 +563,9 @@ fn mkdirall(path: str) void = {
 	assert(longname.len == 256);
 	writefile(strings.concat(longdir, "/long.ww"),
 		strings.concat("package ", longname, ";\nfn value() void = { };\n"));
+	writefile(strings.concat(longdir, "/long_test.ww"), strings.concat(
+		"package ", longname, ";\n",
+		"@test fn long_package_runs() void = { value(); };\n"));
 	let longc: []str = [driver("ww"), "test", longdir];
 	let longw: []str = [driver("ww_ww"), "test", longdir];
 	let outc: commandout;
@@ -571,11 +574,13 @@ fn mkdirall(path: str) void = {
 		(30i64 * (time.second: i64)): time.duration, &outc);
 	runcommand(root, "long-package-ww", longw,
 		(30i64 * (time.second: i64)): time.duration, &outw);
-	expectexit(&outc, 1);
-	expectexit(&outw, 1);
+	expectexit(&outc, 0);
+	expectexit(&outw, 0);
 	assert(same(outc.stdout, outw.stdout));
 	assert(same(outc.stderr, outw.stderr));
-	assert(has(outc.stderr, "invalid --ww-package-test variant"));
+	assert(outc.stderr.len == 0);
+	assert(has(outc.stdout, strings.concat(longname,
+		".long_package_runs ... ok\n")));
 
 	let multiline: str = strings.concat(root, "/multiline-test");
 	assert(os.mkdir(multiline, 448i32) == 0);