ethclient, accounts/keystore: fix flaky tests (#23599)

* ethclient/gethclient: fix flaky test (due to map key ordering)

* accounts/keystore: fix test failing due to rand collision due to low time resolution on windows

accounts/keystore/account_cache_test.go

@@ -96,7 +96,7 @@ func TestWatchNoDir(t *testing.T) {
 
 	// Create ks but not the directory that it watches.
 	rand.Seed(time.Now().UnixNano())
-	dir := filepath.Join(os.TempDir(), fmt.Sprintf("eth-keystore-watch-test-%d-%d", os.Getpid(), rand.Int()))
+	dir := filepath.Join(os.TempDir(), fmt.Sprintf("eth-keystore-watchnodir-test-%d-%d", os.Getpid(), rand.Int()))
 	ks := NewKeyStore(dir, LightScryptN, LightScryptP)
 
 	list := ks.Accounts()
@@ -322,7 +322,7 @@ func TestUpdatedKeyfileContents(t *testing.T) {
 
 	// Create a temporary kesytore to test with
 	rand.Seed(time.Now().UnixNano())
-	dir := filepath.Join(os.TempDir(), fmt.Sprintf("eth-keystore-watch-test-%d-%d", os.Getpid(), rand.Int()))
+	dir := filepath.Join(os.TempDir(), fmt.Sprintf("eth-keystore-updatedkeyfilecontents-test-%d-%d", os.Getpid(), rand.Int()))
 	ks := NewKeyStore(dir, LightScryptN, LightScryptP)
 
 	list := ks.Accounts()

ethclient/gethclient/gethclient_test.go

@@ -97,37 +97,40 @@ func TestGethClient(t *testing.T) {
 	defer backend.Close()
 	defer client.Close()
 
-	tests := map[string]struct {
+	tests := []struct {
+		name string
 		test func(t *testing.T)
 	}{
-		"TestAccessList": {
+		{
+			"TestAccessList",
 			func(t *testing.T) { testAccessList(t, client) },
 		},
-		"TestGetProof": {
+		{
+			"TestGetProof",
 			func(t *testing.T) { testGetProof(t, client) },
-		},
+		}, {
-		"TestGCStats": {
+			"TestGCStats",
 			func(t *testing.T) { testGCStats(t, client) },
-		},
+		}, {
-		"TestMemStats": {
+			"TestMemStats",
 			func(t *testing.T) { testMemStats(t, client) },
-		},
+		}, {
-		"TestGetNodeInfo": {
+			"TestGetNodeInfo",
 			func(t *testing.T) { testGetNodeInfo(t, client) },
-		},
+		}, {
-		"TestSetHead": {
+			"TestSetHead",
 			func(t *testing.T) { testSetHead(t, client) },
-		},
+		}, {
-		"TestSubscribePendingTxs": {
+			"TestSubscribePendingTxs",
 			func(t *testing.T) { testSubscribePendingTransactions(t, client) },
-		},
+		}, {
-		"TestCallContract": {
+			"TestCallContract",
 			func(t *testing.T) { testCallContract(t, client) },
 		},
 	}
 	t.Parallel()
-	for name, tt := range tests {
+	for _, tt := range tests {
-		t.Run(name, tt.test)
+		t.Run(tt.name, tt.test)
 	}
 }