iosxr tests: Initial work for 2.3 (#20883)

Ensure a loopback device exists for testing
Remove provider:
Default is to run task on Network, device, use delegate_to: localhost for local tasks.

test/integration/targets/iosxr_facts/meta/main.yml

@@ -0,0 +1,2 @@
+dependencies:
+  - prepare_iosxr_tests

test/integration/targets/iosxr_facts/tasks/cli.yaml

@@ -4,6 +4,7 @@
     paths: "{{ role_path }}/tests/cli"
     patterns: "{{ testcase }}.yaml"
   register: test_cases
+  delegate_to: localhost
 
 - name: set test_items
   set_fact: test_items="{{ test_cases.files | map(attribute='path') | list }}"

test/integration/targets/iosxr_facts/tests/cli/all_facts.yaml

@@ -4,7 +4,6 @@
 
 - name: test getting all facts
   iosxr_facts:
-    provider: "{{ cli }}"
     gather_subset:
       - all
   register: result

test/integration/targets/iosxr_facts/tests/cli/default_facts.yaml

@@ -4,7 +4,6 @@
 
 - name: test getting default facts
   iosxr_facts:
-    provider: "{{ cli }}"
   register: result
 
 - assert:

test/integration/targets/iosxr_facts/tests/cli/invalid_subset.yaml

@@ -4,7 +4,6 @@
 
 - name: test invalid subset (foobar)
   iosxr_facts:
-    provider: "{{ cli }}"
     gather_subset:
       - "foobar"
   register: result
@@ -26,7 +25,6 @@
 
 - name: test subset specified multiple times
   iosxr_facts:
-    provider: "{{ cli }}"
     gather_subset:
       - "!hardware"
       - "hardware"

test/integration/targets/iosxr_facts/tests/cli/not_hardware.yaml

@@ -4,7 +4,6 @@
 
 - name: test not hardware
   iosxr_facts:
-    provider: "{{ cli }}"
     gather_subset:
       - "!hardware"
   register: result