Add support for BHP local and BHK local (#3443)

Related to paritytech/polkadot-sdk#3400

Extracting small parts of
paritytech/polkadot-sdk#3429 into separate PR:

- Add support for BHP local and BHK local
- Increase the timeout for the bridge zomienet tests

(cherry picked from commit e4b6b8c)

testing/tests/0001-asset-transfer/run.sh

@@ -8,11 +8,11 @@ source "${BASH_SOURCE%/*}/../../utils/zombienet.sh"
 ${BASH_SOURCE%/*}/../../environments/rococo-westend/spawn.sh --init --start-relayer &
 env_pid=$!
 
-ensure_process_file $env_pid $TEST_DIR/rococo.env 400
+ensure_process_file $env_pid $TEST_DIR/rococo.env 600
 rococo_dir=`cat $TEST_DIR/rococo.env`
 echo
 
-ensure_process_file $env_pid $TEST_DIR/westend.env 180
+ensure_process_file $env_pid $TEST_DIR/westend.env 300
 westend_dir=`cat $TEST_DIR/westend.env`
 echo
 

testing/tests/0002-mandatory-headers-synced-while-idle/run.sh

@@ -10,11 +10,11 @@ source "${BASH_SOURCE%/*}/../../utils/zombienet.sh"
 ${BASH_SOURCE%/*}/../../environments/rococo-westend/spawn.sh &
 env_pid=$!
 
-ensure_process_file $env_pid $TEST_DIR/rococo.env 400
+ensure_process_file $env_pid $TEST_DIR/rococo.env 600
 rococo_dir=`cat $TEST_DIR/rococo.env`
 echo
 
-ensure_process_file $env_pid $TEST_DIR/westend.env 180
+ensure_process_file $env_pid $TEST_DIR/westend.env 300
 westend_dir=`cat $TEST_DIR/westend.env`
 echo