diff --git a/src/test/starlark/testdata/string_misc.sky b/src/test/starlark/testdata/string_misc.sky
index ea3aa9d141d5b3..2a9d27afd3bb8c 100644
--- a/src/test/starlark/testdata/string_misc.sky
+++ b/src/test/starlark/testdata/string_misc.sky
@@ -43,11 +43,11 @@ assert_eq('b\\n\\n\\'.replace('\\', '$()'), "b$()n$()n$()")
 
 assert_eq('banana'.replace('a', 'e', 2), "benena")
 assert_eq('banana'.replace('a', 'e', 0), "banana")
-assert_eq('banana'.replace('a', 'e', -1), "banana")
-assert_eq('banana'.replace('a', 'e', -10), "banana")
+assert_eq('banana'.replace('a', 'e', -1), "benene")
+assert_eq('banana'.replace('a', 'e', -10), "benene")
 
 assert_eq('banana'.replace('', '-'), "-b-a-n-a-n-a-")
-assert_eq('banana'.replace('', '-', -2), "banana")
+assert_eq('banana'.replace('', '-', -2), "-b-a-n-a-n-a-")
 assert_eq('banana'.replace('', '-', 2), "-b-anana")
 assert_eq('banana'.replace('', '-', 0), "banana")