fix journey test expectations (#450)

Byron · Byron · commit d476432395bb · 2022-08-16T21:31:44.000+08:00
The error is definitely less confusing now.
diff --git a/tests/snapshots/plumbing/no-repo/pack/receive/file-v-any-no-output-non-existing-single-ref b/tests/snapshots/plumbing/no-repo/pack/receive/file-v-any-no-output-non-existing-single-ref
@@ -1,5 +1 @@
-Error: The server response could not be parsed
-
-Caused by:
-    0: Upload pack reported an error
-    1: unknown ref refs/heads/does-not-exist
+Error: unknown ref refs/heads/does-not-exist
