eos_l2_interface handle "Interface does not exist" (#56787)

* Quick and dirty attempt to handle eapi error

* Well this should probably change

* Hopefully this works correctly?

* Fix check_rc handling with httpapi

* Add tests that should hopefully cover the error

* Fix warnings

* Improve tests

test/integration/targets/eos_l2_interface/tests/cli/no_interface.yaml

@@ -0,0 +1,36 @@
+---
+- debug:
+    msg: "START eos_l3_interface/cli/no_interface.yaml on connection={{ ansible_connection }}"
+
+- name: Create fake interface
+  eos_interface:
+    name: Management0
+  become: yes
+
+- block:
+  - name: eos_l2_interface shouldn't fail
+    eos_l2_interface: &no_switchport
+      name: Ethernet1
+      state: absent
+    become: yes
+    register: result
+
+  - assert:
+      that: "'Interface does not exist' in result.warnings[0]"
+
+  always:
+  - name: Cleanup fake interface
+    cli_config:
+      config: no interface Management0
+    become: yes
+
+- name: eos_l2_interface should still not fail
+  eos_l2_interface: *no_switchport
+  become: yes
+  register: result
+
+- assert:
+    that: "result.warnings is not defined"
+
+- debug:
+    msg: "END eos_l3_interface/cli/no_interface.yaml on connection={{ ansible_connection }}"

test/integration/targets/eos_l2_interface/tests/eapi/no_interface.yaml

@@ -0,0 +1,37 @@
+---
+- debug:
+    msg: "START eos_l3_interface/eapi/no_interface.yaml on connection={{ ansible_connection }}"
+
+- name: Create fake interface
+  eos_interface:
+    name: Management0
+  become: yes
+
+- block:
+  - name: eos_l2_interface shouldn't fail
+    eos_l2_interface: &no_switchport
+      name: Ethernet1
+      state: absent
+    become: yes
+    register: result
+
+  - assert:
+      that: "'Interface does not exist' in result.warnings[0]"
+
+  always:
+  - name: Cleanup fake interface
+    eos_config:
+      lines:
+        - no interface Management0
+    become: yes
+
+- name: eos_l2_interface should still not fail
+  eos_l2_interface: *no_switchport
+  become: yes
+  register: result
+
+- assert:
+    that: "result.warnings is not defined"
+
+- debug:
+    msg: "END eos_l3_interface/eapi/no_interface.yaml on connection={{ ansible_connection }}"