diff --git a/br/pkg/utils/backoff.go b/br/pkg/utils/backoff.go
index f2d6ddfba2f13..0294136f7539f 100644
--- a/br/pkg/utils/backoff.go
+++ b/br/pkg/utils/backoff.go
@@ -185,6 +185,11 @@ func (bo *importerBackoffer) NextBackoff(err error) time.Duration {
 			}
 		}
 	}
+	failpoint.Inject("set-import-attempt-to-one", func(_ failpoint.Value) {
+		if bo.attempt > 1 {
+			bo.attempt = 1
+		}
+	})
 	if bo.delayTime > bo.maxDelayTime {
 		return bo.maxDelayTime
 	}
diff --git a/br/tests/br_file_corruption/run.sh b/br/tests/br_file_corruption/run.sh
new file mode 100644
index 0000000000000..35a7698bb9fef
--- /dev/null
+++ b/br/tests/br_file_corruption/run.sh
@@ -0,0 +1,54 @@
+#!/bin/sh
+#
+# Copyright 2024 PingCAP, Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+set -eux
+
+DB="$TEST_NAME"
+TABLE="usertable"
+CUR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
+
+run_sql "CREATE DATABASE $DB;"
+go-ycsb load mysql -P $CUR/workload -p mysql.host=$TIDB_IP -p mysql.port=$TIDB_PORT -p mysql.user=root -p mysql.db=$DB
+run_br --pd $PD_ADDR backup full -s "local://$TEST_DIR/$DB"
+
+filename=$(find $TEST_DIR/$DB -regex ".*.sst" | head -n 1)
+filename_temp=$filename"_temp"
+filename_bak=$filename"_bak"
+echo "corruption" > $filename_temp
+cat $filename >> $filename_temp
+
+# file lost
+mv $filename $filename_bak
+export GO_FAILPOINTS="github.com/pingcap/tidb/br/pkg/utils/set-import-attempt-to-one=return(true)"
+restore_fail=0
+run_br --pd $PD_ADDR restore full -s "local://$TEST_DIR/$DB" || restore_fail=1
+export GO_FAILPOINTS=""
+if [ $restore_fail -ne 1 ]; then
+    echo 'restore success' 
+    exit 1
+fi
+
+# file corruption
+mv $filename_temp $filename
+truncate --size=-11 $filename
+export GO_FAILPOINTS="github.com/pingcap/tidb/br/pkg/utils/set-import-attempt-to-one=return(true)"
+restore_fail=0
+run_br --pd $PD_ADDR restore full -s "local://$TEST_DIR/$DB" || restore_fail=1
+export GO_FAILPOINTS=""
+if [ $restore_fail -ne 1 ]; then
+    echo 'restore success' 
+    exit 1
+fi
diff --git a/br/tests/br_file_corruption/workload b/br/tests/br_file_corruption/workload
new file mode 100644
index 0000000000000..e3fadf9a3d068
--- /dev/null
+++ b/br/tests/br_file_corruption/workload
@@ -0,0 +1,12 @@
+recordcount=10000
+operationcount=0
+workload=core
+
+readallfields=true
+
+readproportion=0
+updateproportion=0
+scanproportion=0
+insertproportion=0
+
+requestdistribution=uniform
diff --git a/br/tests/br_full_ddl/run.sh b/br/tests/br_full_ddl/run.sh
index e0871e91dd589..b43ff76e0067b 100755
--- a/br/tests/br_full_ddl/run.sh
+++ b/br/tests/br_full_ddl/run.sh
@@ -22,6 +22,11 @@ LOG=/$TEST_DIR/backup.log
 RESTORE_LOG=LOG=/$TEST_DIR/restore.log
 BACKUP_STAT=/$TEST_DIR/backup_stat
 RESOTRE_STAT=/$TEST_DIR/restore_stat
+<<<<<<< HEAD
+=======
+CUR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
+res_file="$TEST_DIR/sql_res.$TEST_NAME.txt"
+>>>>>>> 5399ca70da9 (br: fix br integration test (#53836))
 
 run_sql "CREATE DATABASE $DB;"
 go-ycsb load mysql -P tests/$TEST_NAME/workload -p mysql.host=$TIDB_IP -p mysql.port=$TIDB_PORT -p mysql.user=root -p mysql.db=$DB
@@ -38,6 +43,23 @@ for i in $(seq $DDL_COUNT); do
     fi
 done
 
+# wait until the index creation/drop is done
+retry_cnt=0
+while true; do
+    run_sql "ADMIN SHOW DDL JOBS WHERE DB_NAME = '$DB' AND TABLE_NAME = '$TABLE' AND STATE != 'synced';"
+    if grep -Fq "1. row" $res_file; then
+        cat $res_file
+        retry_cnt=$((retry_cnt+1))
+        if [ "$retry_cnt" -gt 50 ]; then
+            echo 'the wait lag is too large'
+            exit 1
+        fi
+        continue
+    fi
+
+    break
+done
+
 # run analyze to generate stats
 run_sql "analyze table $DB.$TABLE;"
 # record field0's stats and remove last_update_version
diff --git a/br/tests/br_pitr/run.sh b/br/tests/br_pitr/run.sh
index 96faac6ef88ae..1b90bda638706 100644
--- a/br/tests/br_pitr/run.sh
+++ b/br/tests/br_pitr/run.sh
@@ -98,6 +98,7 @@ restart_services
 echo "run pitr"
 run_br --pd $PD_ADDR restore point -s "local://$TEST_DIR/$PREFIX/log" --full-backup-storage "local://$TEST_DIR/$PREFIX/full" > $res_file 2>&1
 
+<<<<<<< HEAD
 # check something in downstream cluster
 echo "check br log"
 check_contains "restore log success summary"
@@ -109,3 +110,67 @@ run_sql "select * from mysql.gc_delete_range_done"
 run_sql "select count(*) DELETE_RANGE_CNT from (select * from mysql.gc_delete_range union all select * from mysql.gc_delete_range_done) del_range group by ts order by DELETE_RANGE_CNT desc limit 1;"
 expect_delete_range=$(($incremental_delete_range_count-$prepare_delete_range_count))
 check_contains "DELETE_RANGE_CNT: $expect_delete_range"
+=======
+check_result
+
+# start a new cluster for incremental + log
+echo "restart a services"
+restart_services
+
+echo "run snapshot restore#2"
+run_br --pd $PD_ADDR restore full -s "local://$TEST_DIR/$PREFIX/full" 
+
+echo "run incremental restore + log restore"
+run_br --pd $PD_ADDR restore point -s "local://$TEST_DIR/$PREFIX/log" --full-backup-storage "local://$TEST_DIR/$PREFIX/inc" > $res_file 2>&1
+
+check_result
+
+# start a new cluster for incremental + log
+echo "restart a services"
+restart_services
+
+echo "run snapshot restore#3"
+run_br --pd $PD_ADDR restore full -s "local://$TEST_DIR/$PREFIX/full" 
+
+echo "run incremental restore but failed"
+restore_fail=0
+run_br --pd $PD_ADDR restore full -s "local://$TEST_DIR/$PREFIX/inc_fail" || restore_fail=1
+if [ $restore_fail -ne 1 ]; then
+    echo 'pitr success' 
+    exit 1
+fi
+
+# start a new cluster for corruption
+echo "restart a services"
+restart_services
+
+echo "corrupt a log file"
+filename=$(find $TEST_DIR/$PREFIX/log -regex ".*\.log" | grep -v "schema-meta" | tail -n 1)
+filename_temp=$filename"_temp"
+filename_bak=$filename"_bak"
+echo "corruption" > $filename_temp
+cat $filename >> $filename_temp
+
+# file lost
+mv $filename $filename_bak
+export GO_FAILPOINTS="github.com/pingcap/tidb/br/pkg/utils/set-import-attempt-to-one=return(true)"
+restore_fail=0
+run_br --pd $PD_ADDR restore point -s "local://$TEST_DIR/$PREFIX/log" --full-backup-storage "local://$TEST_DIR/$PREFIX/full" || restore_fail=1
+export GO_FAILPOINTS=""
+if [ $restore_fail -ne 1 ]; then
+    echo 'pitr success' 
+    exit 1
+fi
+
+# file corruption
+mv $filename_temp $filename
+truncate --size=-11 $filename
+export GO_FAILPOINTS="github.com/pingcap/tidb/br/pkg/utils/set-import-attempt-to-one=return(true)"
+restore_fail=0
+run_br --pd $PD_ADDR restore point -s "local://$TEST_DIR/$PREFIX/log" --full-backup-storage "local://$TEST_DIR/$PREFIX/full" || restore_fail=1
+export GO_FAILPOINTS=""
+if [ $restore_fail -ne 1 ]; then
+    echo 'pitr success' 
+    exit 1
+fi
+>>>>>>> 5399ca70da9 (br: fix br integration test (#53836))
diff --git a/br/tests/br_txn/run.sh b/br/tests/br_txn/run.sh
new file mode 100755
index 0000000000000..567be9d76e263
--- /dev/null
+++ b/br/tests/br_txn/run.sh
@@ -0,0 +1,146 @@
+#!/bin/sh
+#
+# Copyright 2023 PingCAP, Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+set -eux
+
+# restart service without tiflash
+source $UTILS_DIR/run_services
+start_services --no-tiflash
+
+BACKUP_DIR=$TEST_DIR/"txn_backup"
+BACKUP_FULL=$TEST_DIR/"txnkv-full"
+
+checksum() {
+    bin/txnkv --pd $PD_ADDR \
+        --ca "$TEST_DIR/certs/ca.pem" \
+        --cert "$TEST_DIR/certs/br.pem" \
+        --key "$TEST_DIR/certs/br.key" \
+        --mode checksum --start-key $1 --end-key $2 | grep result | tail -n 1 | awk '{print $3}'
+}
+
+fail_and_exit() {
+    echo "TEST: [$TEST_NAME] failed!"
+    exit 1
+}
+
+clean() {
+    bin/txnkv --pd $PD_ADDR \
+    --ca "$TEST_DIR/certs/ca.pem" \
+    --cert "$TEST_DIR/certs/br.pem" \
+    --key "$TEST_DIR/certs/br.key" \
+    --mode delete --start-key $1 --end-key $2
+}
+
+test_full_txnkv_encryption() {
+    check_range_start="hello"
+    check_range_end="world"
+
+    rm -rf $BACKUP_FULL
+
+    checksum_full=$(checksum $check_range_start $check_range_end)
+    # backup current state of key-values
+    run_br --pd $PD_ADDR backup txn -s "local://$BACKUP_FULL" --crypter.method "aes128-ctr" --crypter.key "0123456789abcdef0123456789abcdef"
+
+    clean $check_range_start $check_range_end
+    # Ensure the data is deleted
+    checksum_new=$(checksum $check_range_start $check_range_end)
+    if [ "$checksum_new" == "$checksum_full" ];then
+        echo "failed to delete data in range in encryption"
+        fail_and_exit
+    fi
+
+    run_br --pd $PD_ADDR restore txn -s "local://$BACKUP_FULL" --crypter.method "aes128-ctr" --crypter.key "0123456789abcdef0123456789abcdef"
+    checksum_new=$(checksum $check_range_start $check_range_end)
+    if [ "$checksum_new" != "$checksum_full" ];then
+        echo "failed to restore"
+        fail_and_exit
+    fi
+}
+
+run_test() {
+    if [ -z "$1" ];then
+        echo "run test"
+    else
+        export GO_FAILPOINTS="$1"
+        echo "run test with failpoints: $GO_FAILPOINTS"
+    fi
+
+    rm -rf $BACKUP_DIR
+    clean "hello" "world" 
+
+    # generate txn kv randomly in range[start-key, end-key) in 10s
+    bin/txnkv --pd $PD_ADDR \
+        --ca "$TEST_DIR/certs/ca.pem" \
+        --cert "$TEST_DIR/certs/br.pem" \
+        --key "$TEST_DIR/certs/br.key" \
+        --mode rand-gen --start-key "hello" --end-key "world" --duration 10
+
+    checksum_ori=$(checksum "hello" "world")
+
+    # backup txnkv
+    echo "backup start..."
+    run_br --pd $PD_ADDR backup txn -s "local://$BACKUP_DIR" 
+
+    # delete data in range[start-key, end-key)
+    clean "hello" "world" 
+    # Ensure the data is deleted
+    retry_cnt=0
+    while true; do
+        checksum_new=$(checksum "hello" "world")
+
+        if [ "$checksum_new" != "$checksum_empty" ]; then
+            echo "failed to delete data in range after backup; retry_cnt = $retry_cnt"
+            retry_cnt=$((retry_cnt+1))
+            if [ "$retry_cnt" -gt 50 ]; then
+                fail_and_exit
+            fi
+            sleep 1
+            continue
+        fi
+
+        break
+    done
+
+    # restore rawkv
+    echo "restore start..."
+    run_br --pd $PD_ADDR restore txn -s "local://$BACKUP_DIR" 
+
+    checksum_new=$(checksum "hello" "world")
+
+    if [ "$checksum_new" != "$checksum_ori" ];then
+        echo "checksum failed after restore"
+        fail_and_exit
+    fi
+
+    test_full_txnkv_encryption
+
+    # delete data in range[start-key, end-key)
+    clean "hello" "world"
+    # Ensure the data is deleted
+    checksum_new=$(checksum "hello" "world")
+
+    if [ "$checksum_new" != "$checksum_empty" ];then
+        echo "failed to delete data in range"
+        fail_and_exit
+    fi
+
+    export GO_FAILPOINTS=""
+}
+
+# delete data in range[start-key, end-key)
+clean "hello" "world" 
+checksum_empty=$(checksum "hello" "world")
+run_test ""
diff --git a/br/tests/run_group_br_tests.sh b/br/tests/run_group_br_tests.sh
new file mode 100755
index 0000000000000..04ff8c60701d4
--- /dev/null
+++ b/br/tests/run_group_br_tests.sh
@@ -0,0 +1,70 @@
+#!/usr/bin/env bash
+
+# This script split the integration tests into 9 groups to support parallel group tests execution.
+# all the integration tests are located in br/tests directory. only the directories
+# containing run.sh will be considered as valid br integration tests. the script will print the total case number
+
+set -eo pipefail
+
+# Step 1
+CUR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
+group=$1
+export COV_DIR="/tmp/group_cover"
+rm -rf $COV_DIR
+mkdir -p $COV_DIR
+
+# Define groups
+# Note: If new group is added, the group name must also be added to CI
+# * https://github.com/PingCAP-QE/ci/blob/main/pipelines/pingcap/tidb/latest/pull_br_integration_test.groovy
+# Each group of tests consumes as much time as possible, thus reducing CI waiting time.
+# Putting multiple light tests together and heavy tests in a separate group.
+declare -A groups
+groups=(
+	["G00"]="br_300_small_tables br_backup_empty br_backup_version br_cache_table br_case_sensitive br_charset_gbk br_check_new_collocation_enable br_history br_gcs br_rawkv"
+	["G01"]="br_autoid br_crypter2 br_db br_db_online br_db_online_newkv br_db_skip br_debug_meta br_ebs br_foreign_key br_full br_table_partition br_full_ddl"
+	["G02"]="br_full_cluster_restore br_full_index br_incremental_ddl br_pitr_failpoint"
+	["G03"]='br_incompatible_tidb_config br_incremental br_incremental_index br_incremental_only_ddl br_incremental_same_table br_insert_after_restore br_key_locked br_log_test br_move_backup br_mv_index br_other br_partition_add_index br_tidb_placement_policy br_tiflash br_tiflash_conflict'
+	["G04"]='br_range br_replica_read br_restore_TDE_enable br_restore_log_task_enable br_s3 br_shuffle_leader br_shuffle_region br_single_table'
+	["G05"]='br_skip_checksum br_split_region_fail br_systables br_table_filter br_txn br_stats br_clustered_index br_crypter'
+	["G06"]='br_tikv_outage br_tikv_outage3'
+	["G07"]='br_pitr'
+	["G08"]='br_tikv_outage2 br_ttl br_views_and_sequences br_z_gc_safepoint br_autorandom br_file_corruption'
+)
+
+# Get other cases not in groups, to avoid missing any case
+others=()
+for script in "$CUR"/*/run.sh; do
+	test_name="$(basename "$(dirname "$script")")"
+	if [[ $test_name != br* ]]; then
+		continue
+	fi
+	# shellcheck disable=SC2076
+	if [[ ! " ${groups[*]} " =~ " ${test_name} " ]]; then
+		others=("${others[@]} ${test_name}")
+	fi
+done
+
+if [[ "$group" == "others" ]]; then
+	if [[ -z $others ]]; then
+		echo "All br integration test cases have been added to groups"
+		exit 0
+	fi
+	echo "Error: "$others" is not added to any group in br/tests/run_group_br_tests.sh"
+	exit 1
+elif [[ " ${!groups[*]} " =~ " ${group} " ]]; then
+	test_names="${groups[${group}]}"
+	# Run test cases
+	if [[ -n $test_names ]]; then
+		echo ""
+		echo "Run cases: ${test_names}"
+        for case_name in $test_names; do
+            echo "Run cases: ${case_name}"
+            rm -rf /tmp/backup_restore_test
+            mkdir -p /tmp/backup_restore_test
+            TEST_NAME=${case_name} ${CUR}/run.sh
+        done
+	fi
+else
+	echo "Error: invalid group name: ${group}"
+	exit 1
+fi