Run integration tests using ansible-core 2.19 (#888) (#895)

* fix integration test ``k8s_full`` running with ansible-core 2.19

* Fix templating issues

* fix test on current ansible version

* fix tests cases

* Fix additional tests

* fix the templating mechanism

* consider using variable_[start/end]_string while parsing template

* Remove support for omit into template option

* Remove unnecessary unit tests

(cherry picked from commit 2cb5d6c316)

Co-authored-by: Bikouo Aubin <79859644+abikouo@users.noreply.github.com>

tests/unit/action/test_remove_omit.py

@@ -1,105 +0,0 @@
-# -*- coding: utf-8 -*-
-# Copyright: (c) 2022, Ansible Project
-# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
-
-from __future__ import absolute_import, division, print_function
-
-__metaclass__ = type
-
-from datetime import datetime
-
-from ansible_collections.kubernetes.core.plugins.action.k8s_info import RemoveOmit
-
-
-def get_omit_token():
-    return "__omit_place_holder__%s" % datetime.now().strftime("%Y%m%d%H%M%S")
-
-
-def test_remove_omit_from_str():
-    omit_token = get_omit_token()
-    src = """
-        project: ansible
-        collection: {omit}
-    """.format(
-        omit=omit_token
-    )
-    result = RemoveOmit(src, omit_value=omit_token).output()
-    assert len(result) == 1
-    assert result[0] == dict(project="ansible")
-
-
-def test_remove_omit_from_list():
-    omit_token = get_omit_token()
-    src = """
-        items:
-          - {omit}
-    """.format(
-        omit=omit_token
-    )
-    result = RemoveOmit(src, omit_value=omit_token).output()
-    assert len(result) == 1
-    assert result[0] == dict(items=[])
-
-
-def test_remove_omit_from_list_of_dict():
-    omit_token = get_omit_token()
-    src = """
-        items:
-          - owner: ansible
-            team: {omit}
-          - simple_list_item
-    """.format(
-        omit=omit_token
-    )
-    result = RemoveOmit(src, omit_value=omit_token).output()
-    assert len(result) == 1
-    assert result[0] == dict(items=[dict(owner="ansible"), "simple_list_item"])
-
-
-def test_remove_omit_combined():
-    omit_token = get_omit_token()
-    src = """
-        items:
-          - {omit}
-          - list_item_a
-          - list_item_b
-        parent:
-          child:
-            subchilda: {omit}
-            subchildb:
-                name: {omit}
-                age: 3
-    """.format(
-        omit=omit_token
-    )
-    result = RemoveOmit(src, omit_value=omit_token).output()
-    assert len(result) == 1
-    assert result[0] == dict(
-        items=["list_item_a", "list_item_b"],
-        parent=dict(child=dict(subchildb=dict(age=3))),
-    )
-
-
-def test_remove_omit_mutiple_documents():
-    omit_token = get_omit_token()
-    src = [
-        """
-    project: ansible
-    collection: {omit}
-    """.format(
-            omit=omit_token
-        ),
-        "---",
-        """
-    project: kubernetes
-    environment: production
-    collection: {omit}""".format(
-            omit=omit_token
-        ),
-    ]
-    src = "\n".join(src)
-    print(src)
-    result = RemoveOmit(src, omit_value=omit_token).output()
-    assert len(result) == 2
-    assert result[0] == dict(project="ansible")
-    assert result[1] == dict(project="kubernetes", environment="production")