samples: driver: video: enable capture case to run

enable capture case with fixture_camera to run

Signed-off-by: Hake Huang <hake.huang@oss.nxp.com>

samples/drivers/video/capture/sample.yaml

@@ -2,7 +2,6 @@ sample:
   name: Video capture
 tests:
   sample.video.capture:
-    build_only: true
     tags:
       - video
       - shield
@@ -10,6 +9,16 @@ tests:
     extra_args:
       - platform:mimxrt1064_evk:SHIELD="dvp_fpc24_mt9m114;rk043fn66hs_ctg"
       - platform:mimxrt1170_evk/mimxrt1176/cm7:SHIELD="nxp_btb44_ov5640;rk055hdmipi4ma0"
+    harness: console
+    harness_config:
+      fixture: fixture_camera
+      type: multi_line
+      ordered: true
+      regex:
+        - "Capture started"
+        - "Got frame"
+        - "size"
+        - "timestamp"
     platform_allow:
       - mimxrt1064_evk
       - mimxrt1170_evk/mimxrt1176/cm7