Remove bid files in test cleanup

tests/e2e/auction/suite.go

@@ -2,6 +2,8 @@ package auction
 
 import (
 	"fmt"
+	"os"
+	"path/filepath"
 
 	"cosmossdk.io/math"
 	"github.com/stretchr/testify/suite"
@@ -60,6 +62,8 @@ func (ets *E2ETestSuite) SetupSuite() { //nolint: all
 func (ets *E2ETestSuite) TearDownSuite() {
 	ets.T().Log("tearing down integration test suite")
 	ets.network.Cleanup()
+
+	ets.cleanupBidFiles()
 }
 
 func (ets *E2ETestSuite) createAccountWithBalance(accountName string, accountAddress *string) {
@@ -125,3 +129,20 @@ func (ets *E2ETestSuite) createAuctionAndBid(createAuction, createBid bool) stri
 
 	return auctionId
 }
+
+func (ets *E2ETestSuite) cleanupBidFiles() error {
+	matches, err := filepath.Glob(fmt.Sprintf("%s-*.json", bidderAccount))
+	if err != nil {
+		fmt.Printf("Error matching bidder files: %v\n", err)
+		return err
+	}
+
+	for _, match := range matches {
+		err := os.Remove(match)
+		if err != nil {
+			return err
+		}
+	}
+
+	return nil
+}