Remove install_test_requirements flag

Due to tempest plugin split, all the tempest plugin requirements
are kept in requirements.txt, not in test_requirements.txt, so
it does not make any sense to install it.

So removing the flag from the role.

Change-Id: I7600f1750538335c1348e7d042e6bf450910e12c
Signed-off-by: Chandan Kumar (raukadah) <chkumar@redhat.com>

defaults/main.yml

@@ -67,7 +67,6 @@ tempest_log_dir: "/var/log/tempest"
 #   - name: designate-tempest-plugin                                     #name of the plugin
 #     repo: https://git.openstack.org/openstack/designate-tempest-plugin #for installing the plugin from sources
 #     branch: master                                                     #for installing the plugin from sources
-#     install_test_requirements: True                                    #for installing the plugin with its test_requirements (default: True)
 #   - name: ironic-tempest-plugin
 #     package: ironic                                                    #for installing the plugin from packages
 tempest_plugins: "{{ _tempest_plugins.values() | sum(start=[]) | selectattr('install', 'equalto', true) | list }}"

tasks/tempest_install_source.yml

@@ -39,32 +39,6 @@
   retries: 5
   delay: 2
 
-- name: Check for the existance of the test-requirements.txt file
-  stat:
-    path: "/opt/{{ item.name|replace('-', '_') }}_{{ item.branch|replace('/', '_') }}/test-requirements.txt"
-  with_items: "{{ tempest_plugins }}"
-  when: item.repo is defined
-  register: _test_requirements_stat
-
-- name: Install tempest plugin requirements
-  pip:
-    requirements: "{{ item.stat.path }}"
-    state: "{{ tempest_pip_package_state }}"
-    virtualenv: "{{ tempest_venv_bin | dirname }}"
-    virtualenv_site_packages: "no"
-    extra_args: >-
-      {{ pip_install_options | default('') }}
-      --isolated
-  with_items: "{{ _test_requirements_stat.results }}"
-  when:
-    - "item.item.repo is defined"
-    - "item.stat.exists"
-    - "(item.item.install_test_requirements | default(True)) | bool"
-  register: install_tempest_plugin_requirements
-  until: install_tempest_plugin_requirements is success
-  retries: 5
-  delay: 2
-
 - name: Install tempest plugins from cloned repo
   pip:
     name: "/opt/{{ item.name|replace('-', '_') }}_{{ item.branch|replace('/', '_') }}"

vars/main.yml

@@ -17,7 +17,6 @@
 # - name:
 #   repo:                      # when installing from a repo
 #   branch:                    # when installing from a repo
-#   install_test_requirements: # when installing from a repo
 #   package:                   # when installing from a pip package
 #   install:                   # boolean to enable/disable the installation of this item
 
@@ -41,7 +40,6 @@ _tempest_plugins:
     - name: congress-tempest-plugin
       repo: https://git.openstack.org/openstack/congress-tempest-plugin
       branch: master
-      install_test_requirements: false
       install: "{{ tempest_service_available_congress | bool }}"
   designate:
     - name: designate-tempest-plugin