Fixed compactor test due to error message change (#6814)

Signed-off-by: Alex Le <[email protected]>

Author: alexqyle

pkg/compactor/compactor_test.go

@@ -1490,8 +1490,8 @@ func removeIgnoredLogs(input []string) []string {
 		`level=info component=compactor msg="auto-joining cluster after timeout" ring=compactor`:                                                                  {},
 		`level=info component=compactor msg="lifecycler loop() exited gracefully" ring=compactor`:                                                                 {},
 		`level=info component=compactor msg="changing instance state from" old_state=ACTIVE new_state=LEAVING ring=compactor`:                                     {},
-		`level=error component=compactor msg="failed to set state to LEAVING" ring=compactor err="Changing instance state from LEAVING -> LEAVING is disallowed"`: {},
-		`level=error component=compactor msg="failed to set state to LEAVING" ring=compactor err="Changing instance state from JOINING -> LEAVING is disallowed"`: {},
+		`level=error component=compactor msg="failed to set state to LEAVING" ring=compactor err="changing instance state from LEAVING -> LEAVING is disallowed"`: {},
+		`level=error component=compactor msg="failed to set state to LEAVING" ring=compactor err="changing instance state from JOINING -> LEAVING is disallowed"`: {},
 		`level=info component=compactor msg="user index not found, fallback to base scanner"`:                                                                     {},
 		`level=error component=compactor msg="context timeout, exit user index update loop" err="context canceled"`:                                               {},
 		`level=debug component=compactor msg="unregistering instance from ring" ring=compactor`:                                                                   {},