Add missing register on openvswitch_db integration tests (#25609)

test/integration/targets/openvswitch_db/tests/basic.yaml

@@ -9,6 +9,7 @@
     col: other_config
     key: disable-in-band
     value: true
+  register: result
 
 - assert:
     that:
@@ -21,6 +22,7 @@
     col: other_config
     key: disable-in-band
     value: true
+  register: result
 
 - assert:
     that:
@@ -33,6 +35,7 @@
     col: other_config
     key: disable-in-band
     value: false
+  register: result
 
 - assert:
     that:
@@ -45,6 +48,7 @@
     col: other_config
     key: disable-in-band
     value: false
+  register: result
 
 - assert:
     that:
@@ -58,6 +62,7 @@
     key: disable-in-band
     value: false
     state: absent
+  register: result
 
 - assert:
     that:
@@ -71,6 +76,7 @@
     key: disable-in-band
     value: false
     state: absent
+  register: result
 
 - assert:
     that: