fix(no-large-snapshots): use a far better message for when an unexpected snapshot is found (#1736)

* fix(no-large-snapshosts): fix incorrect noSnapshot message

* fix(no-large-snapshots): update message

---------

Co-authored-by: Gareth Jones <[email protected]>

Author: ulrichstark

src/rules/no-large-snapshots.ts

@@ -79,7 +79,8 @@ export default createRule<[RuleOptions], MessageId>({
       description: 'Disallow large snapshots',
     },
     messages: {
-      noSnapshot: '`{{ lineCount }}`s should begin with lowercase',
+      noSnapshot:
+        'Expected to not encounter a Jest snapshot but one was found that is {{ lineCount }} lines long',
       tooLongSnapshots:
         'Expected Jest snapshot to be smaller than {{ lineLimit }} lines but was {{ lineCount }} lines long',
     },