[nrf fromlist] samples: subsys: usb: cdc_acm: Expand regex

Check more lines on the console to confirm correct
sample operation.

Upstream PR #: 93667

Signed-off-by: Sebastian Głąb <[email protected]>

Author: nordic-segl

samples/subsys/usb/cdc_acm/sample.yaml

@@ -1,18 +1,21 @@
 sample:
   name: CDC ACM USB
+common:
+  tags: usb
+  harness: console
+  harness_config:
+    type: multi_line
+    regex:
+      - "Wait for DTR"
+      - "cdc_acm_echo: USBD message: CDC ACM control line state"
+      - "cdc_acm_echo: USBD message: CDC ACM line coding"
+      - "cdc_acm_echo: Baudrate 115200"
 tests:
   sample.usb.cdc-acm:
     depends_on: usb_device
-    tags: usb
     arch_exclude: posix
-    harness: console
-    harness_config:
-      type: one_line
-      regex:
-        - "Wait for DTR"
   sample.usb_device_next.cdc-acm:
     depends_on: usbd
-    tags: usb
     extra_args: CONF_FILE="usbd_next_prj.conf"
     integration_platforms:
       - nrf52840dk/nrf52840
@@ -26,27 +29,15 @@ tests:
       - max32690evkit/max32690/m4
       - samd21_xpro
       - same54_xpro
-    harness: console
-    harness_config:
-      type: one_line
-      regex:
-        - "Wait for DTR"
   sample.usb_device_next.cdc-acm-workqueue:
     depends_on: usbd
-    tags: usb
     extra_args:
       - CONF_FILE="usbd_next_prj.conf"
       - DCONFIG_USBD_CDC_ACM_WORKQUEUE=y
     integration_platforms:
       - frdm_k64f
-    harness: console
-    harness_config:
-      type: one_line
-      regex:
-        - "Wait for DTR"
   sample.usb.cdc-acm.buildonly:
     depends_on: usb_device
-    tags: usb
     arch_allow: posix
     build_only: true
     integration_platforms: