Set hostname to 'switch' on nxos_system (#36373)

Signed-off-by: Trishna Guha <trishnaguha17@gmail.com>

test/integration/targets/nxos_system/tests/common/sanity.yaml

@@ -6,7 +6,7 @@
 - block:
   - name: configure hostname and domain-name
     nxos_system: &hostname
-      hostname: "{{ inventory_hostname_short }}"
+      hostname: switch
       domain_name: test.example.com
       provider: "{{ connection }}"
 

test/integration/targets/nxos_system/tests/common/set_hostname.yaml

@@ -6,7 +6,7 @@
 - block:
   - name: setup
     nxos_config:
-      lines: "hostname {{ inventory_hostname_short }}"
+      lines: hostname switch
       match: none
       provider: "{{ connection }}"
 
@@ -33,7 +33,7 @@
   always:
   - name: teardown
     nxos_config:
-      lines: "hostname {{ inventory_hostname_short }}"
+      lines: hostname switch
       match: none
       provider: "{{ connection }}"