Fix github_issue test and enable in CI.

test/integration/targets/github_issue/aliases

@@ -1 +1,2 @@
 destructive
+posix/ci/group1

test/integration/targets/github_issue/tasks/FreeBSD-python2.yml

@@ -0,0 +1,3 @@
+- name: install py27-requests to avoid install via pip later
+  package:
+    name: py27-requests

test/integration/targets/github_issue/tasks/MacOSX-python2.yml

@@ -0,0 +1 @@
+# nothing to do here, allow requests to be installed by pip later

test/integration/targets/github_issue/tasks/default-python2.yml

@@ -0,0 +1,3 @@
+- name: install python-requests to avoid install via pip later
+  package:
+    name: python-requests

test/integration/targets/github_issue/tasks/default-python3.yml

@@ -0,0 +1,3 @@
+- name: install python3-requests to avoid install via pip later
+  package:
+    name: python3-requests

test/integration/targets/github_issue/tasks/main.yml

@@ -17,6 +17,11 @@
 # along with Ansible.  If not, see <http://www.gnu.org/licenses/>.
 #
 
+- name: make sure github3.py is not installed
+  pip:
+    name: github3.py
+    state: absent
+
 # Testcase 0001: Check if dependency is installed
 - name: Check if github3.py is installed or not
   github_issue:
@@ -33,10 +38,17 @@
       - "{{ lib_missing.changed == False }}"
       - "{{ 'Missing required github3 module.' in lib_missing.msg }}"
 
+- include: '{{ item }}'
+  with_first_found:
+    - files:
+        - '{{ ansible_distribution }}-{{ ansible_distribution_version }}-python{{ ansible_python_version.split(".")[0] }}.yml'
+        - '{{ ansible_distribution }}-python{{ ansible_python_version.split(".")[0] }}.yml'
+        - '{{ ansible_os_family }}-python{{ ansible_python_version.split(".")[0] }}.yml'
+        - 'default-python{{ ansible_python_version.split(".")[0] }}.yml'
+
 - name: make sure github3.py is installed
   pip:
     name: github3.py
-    state: latest
 
 # Testcase 0002: Check if issue exists
 - name: Check if GitHub issue is closed or not