From b546ba95779c463f840adc0cf32a911556acf905 Mon Sep 17 00:00:00 2001
From: Mateusz Nowakowski <mat13mn@gmail.com>
Date: Wed, 4 Oct 2023 14:48:53 +0200
Subject: [PATCH 1/2] prevent test from running concurently

---
 pallets/xyk/src/tests.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pallets/xyk/src/tests.rs b/pallets/xyk/src/tests.rs
index 47861dc9ea..f148ec6140 100644
--- a/pallets/xyk/src/tests.rs
+++ b/pallets/xyk/src/tests.rs
@@ -772,6 +772,7 @@ fn sell_N_zero_amount() {
 }
 
 #[test]
+#[serial]
 fn multiswap_sell_W() {
 	new_test_ext().execute_with(|| {
 		System::set_block_number(1);

From 7ced5e369d547d28d0c007c437e14f785fb1f3f5 Mon Sep 17 00:00:00 2001
From: Mateusz Nowakowski <mat13mn@gmail.com>
Date: Wed, 4 Oct 2023 15:14:02 +0200
Subject: [PATCH 2/2] annotate remaining tests

---
 pallets/xyk/src/tests.rs | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/pallets/xyk/src/tests.rs b/pallets/xyk/src/tests.rs
index f148ec6140..9ffe728bf7 100644
--- a/pallets/xyk/src/tests.rs
+++ b/pallets/xyk/src/tests.rs
@@ -1046,6 +1046,7 @@ fn multiswap_sell_just_enough_assets_pay_fee_but_not_to_swap_W() {
 }
 
 #[test]
+#[serial]
 fn multiswap_sell_with_two_hops_W() {
 	new_test_ext().execute_with(|| {
 		System::set_block_number(1);
@@ -1071,6 +1072,7 @@ fn multiswap_sell_with_two_hops_W() {
 }
 
 #[test]
+#[serial]
 fn multiswap_sell_with_single_hops_W() {
 	new_test_ext().execute_with(|| {
 		System::set_block_number(1);
@@ -1085,6 +1087,7 @@ fn multiswap_sell_with_single_hops_W() {
 }
 
 #[test]
+#[serial]
 fn multiswap_sell_same_pool_works_W() {
 	new_test_ext().execute_with(|| {
 		System::set_block_number(1);
@@ -1124,6 +1127,7 @@ fn multiswap_sell_same_pool_works_W() {
 }
 
 #[test]
+#[serial]
 fn multiswap_sell_loop_works_W() {
 	new_test_ext().execute_with(|| {
 		System::set_block_number(1);
@@ -1384,6 +1388,7 @@ fn buy_N_zero_amount() {
 }
 
 #[test]
+#[serial]
 fn multiswap_buy_W() {
 	new_test_ext().execute_with(|| {
 		System::set_block_number(1);
@@ -1441,6 +1446,7 @@ fn multiswap_buy_W() {
 }
 
 #[test]
+#[serial]
 fn multiswap_buy_bad_slippage_charges_fee_W() {
 	new_test_ext().execute_with(|| {
 		System::set_block_number(1);
@@ -1495,6 +1501,7 @@ fn multiswap_buy_bad_slippage_charges_fee_W() {
 }
 
 #[test]
+#[serial]
 fn multiswap_buy_bad_atomic_swap_charges_fee_W() {
 	new_test_ext().execute_with(|| {
 		System::set_block_number(1);
@@ -1552,6 +1559,7 @@ fn multiswap_buy_bad_atomic_swap_charges_fee_W() {
 }
 
 #[test]
+#[serial]
 fn multiswap_buy_not_enough_assets_pay_fees_fails_early_W() {
 	new_test_ext().execute_with(|| {
 		System::set_block_number(1);
@@ -1602,6 +1610,7 @@ fn multiswap_buy_not_enough_assets_pay_fees_fails_early_W() {
 }
 
 #[test]
+#[serial]
 fn multiswap_buy_just_enough_assets_pay_fee_but_not_to_swap_W() {
 	new_test_ext().execute_with(|| {
 		System::set_block_number(1);
@@ -1664,6 +1673,7 @@ fn multiswap_buy_just_enough_assets_pay_fee_but_not_to_swap_W() {
 }
 
 #[test]
+#[serial]
 fn multiswap_buy_with_two_hops_W() {
 	new_test_ext().execute_with(|| {
 		System::set_block_number(1);
@@ -1689,6 +1699,7 @@ fn multiswap_buy_with_two_hops_W() {
 }
 
 #[test]
+#[serial]
 fn multiswap_buy_with_single_hops_W() {
 	new_test_ext().execute_with(|| {
 		System::set_block_number(1);
@@ -1703,6 +1714,7 @@ fn multiswap_buy_with_single_hops_W() {
 }
 
 #[test]
+#[serial]
 fn multiswap_buy_same_pool_does_not_work_N() {
 	new_test_ext().execute_with(|| {
 		System::set_block_number(1);
@@ -1721,6 +1733,7 @@ fn multiswap_buy_same_pool_does_not_work_N() {
 }
 
 #[test]
+#[serial]
 fn multiswap_buy_loop_does_not_work_N() {
 	new_test_ext().execute_with(|| {
 		System::set_block_number(1);