diff --git a/tests/scripts/expect/cli-channel.exp b/tests/scripts/expect/cli-channel.exp
new file mode 100755
index 000000000..21ed1625a
--- /dev/null
+++ b/tests/scripts/expect/cli-channel.exp
@@ -0,0 +1,93 @@
+#!/usr/bin/expect -f
+#
+#  Copyright (c) 2020, The OpenThread Authors.
+#  All rights reserved.
+#
+#  Redistribution and use in source and binary forms, with or without
+#  modification, are permitted provided that the following conditions are met:
+#  1. Redistributions of source code must retain the above copyright
+#     notice, this list of conditions and the following disclaimer.
+#  2. Redistributions in binary form must reproduce the above copyright
+#     notice, this list of conditions and the following disclaimer in the
+#     documentation and/or other materials provided with the distribution.
+#  3. Neither the name of the copyright holder nor the
+#     names of its contributors may be used to endorse or promote products
+#     derived from this software without specific prior written permission.
+#
+#  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+#  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+#  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+#  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+#  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+#  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+#  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+#  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+#  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+#  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+#  POSSIBILITY OF SUCH DAMAGE.
+#
+
+source "tests/scripts/expect/_common.exp"
+
+spawn $env(OT_COMMAND) 1
+set timeout 1
+expect_after {
+    timeout { exit 1 }
+}
+
+send "ifconfig up\n"
+expect "Done"
+send "thread start\n"
+expect "Done"
+
+send "channel monitor stop\n"
+expect "Done"
+send "channel monitor\n"
+expect "enabled: 0"
+expect "Done"
+send "channel monitor start\n"
+expect "Done"
+send "channel monitor\n"
+expect "enabled: 1"
+expect -re {interval: \d+}
+expect -re {threshold: -?\d+}
+expect -re {window: \d+}
+expect -re {count: \d+}
+expect "occupancies:"
+for {set i 11} {$i <= 26} {incr i} {
+    expect -re "ch $i \\(0x\[0-9a-f\]{4}\\) +\\d+\\.\\d+% busy"
+}
+expect "Done"
+send "channel monitor something_invalid\n"
+expect "Error 7: InvalidArgs"
+
+send "channel manager change 15\n"
+expect "Done"
+send "channel manager\n"
+expect "channel: 15"
+expect "auto: 0"
+expect "Done"
+send "channel manager select 1\n"
+expect "Error 13: InvalidState" # Because of insufficient channel monitor samples
+send "channel manager delay 200\n"
+expect "Done"
+send "channel manager interval 20000\n"
+expect "Done"
+send "channel manager supported 0x7fff800\n"
+expect "Done"
+send "channel manager favored 0x7fff800\n"
+expect "Done"
+send "channel manager auto 1\n"
+expect "Done"
+send "channel manager\n"
+expect "channel: 15"
+expect "auto: 1"
+expect "delay: 200"
+expect "interval: 20000"
+expect "supported: { 11-26}"
+expect "favored: { 11-26}"
+expect "Done"
+send "channel manager something_invalid\n"
+expect "Error 7: InvalidArgs"
+
+dispose
diff --git a/tests/scripts/expect/cli-coex.exp b/tests/scripts/expect/cli-coex.exp
new file mode 100755
index 000000000..9eeae2914
--- /dev/null
+++ b/tests/scripts/expect/cli-coex.exp
@@ -0,0 +1,74 @@
+#!/usr/bin/expect -f
+#
+#  Copyright (c) 2020, The OpenThread Authors.
+#  All rights reserved.
+#
+#  Redistribution and use in source and binary forms, with or without
+#  modification, are permitted provided that the following conditions are met:
+#  1. Redistributions of source code must retain the above copyright
+#     notice, this list of conditions and the following disclaimer.
+#  2. Redistributions in binary form must reproduce the above copyright
+#     notice, this list of conditions and the following disclaimer in the
+#     documentation and/or other materials provided with the distribution.
+#  3. Neither the name of the copyright holder nor the
+#     names of its contributors may be used to endorse or promote products
+#     derived from this software without specific prior written permission.
+#
+#  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+#  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+#  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+#  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+#  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+#  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+#  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+#  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+#  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+#  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+#  POSSIBILITY OF SUCH DAMAGE.
+#
+
+source "tests/scripts/expect/_common.exp"
+
+spawn $env(OT_COMMAND) 1
+set timeout 1
+expect_after {
+    timeout { exit 1 }
+}
+
+send "coex disable\n"
+expect "Done"
+send "coex\n"
+expect "Disabled"
+expect "Done"
+send "coex enable\n"
+expect "Done"
+send "coex\n"
+expect "Enabled"
+expect "Done"
+send "coex metrics\n"
+expect -re {Stopped: (true|false)}
+expect -re {Grant Glitch: \d+}
+expect "Transmit metrics"
+expect -re {    Request: \d+}
+expect -re {    Grant Immediate: \d+}
+expect -re {    Grant Wait: \d+}
+expect -re {    Grant Wait Activated: \d+}
+expect -re {    Grant Wait Timeout: \d+}
+expect -re {    Grant Deactivated During Request: \d+}
+expect -re {    Delayed Grant: \d+}
+expect -re {    Average Request To Grant Time: \d+}
+expect "Receive metrics"
+expect -re {    Request: \d+}
+expect -re {    Grant Immediate: \d+}
+expect -re {    Grant Wait: \d+}
+expect -re {    Grant Wait Activated: \d+}
+expect -re {    Grant Wait Timeout: \d+}
+expect -re {    Grant Deactivated During Request: \d+}
+expect -re {    Delayed Grant: \d+}
+expect -re {    Average Request To Grant Time: \d+}
+expect -re {    Grant None: \d+}
+expect "Done"
+send "coex something_invalid\n"
+expect "Error 7: InvalidArgs"
+
+dispose
diff --git a/tests/scripts/expect/cli-scan.exp b/tests/scripts/expect/cli-scan-discover.exp
similarity index 86%
rename from tests/scripts/expect/cli-scan.exp
rename to tests/scripts/expect/cli-scan-discover.exp
index 27cd7bcf9..16f8b3d96 100755
--- a/tests/scripts/expect/cli-scan.exp
+++ b/tests/scripts/expect/cli-scan-discover.exp
@@ -77,6 +77,17 @@ for {set i 11} {$i <= 26} {incr i} {
 }
 expect "Done"
 
+set spawn_id $spawn_3
+send "ifconfig up\n"
+expect "Done"
+send "discover $channel\n"
+expect "| J | Network Name     | Extended PAN     | PAN  | MAC Address      | Ch | dBm | LQI |"
+expect "+---+------------------+------------------+------+------------------+----+-----+-----+"
+wait_for "" "\\| \\d \\| $network +\\| $extpan \\| $pan \\| $extaddr \\| +$channel \\| +-?\\d+ \\| +\\d \\|"
+wait_for "" "Done"
+send "discover something_invalid\n"
+expect "Error 7: InvalidArgs"
+
 set spawn_id $spawn_3
 dispose