add missing e2e basic tests for 1.8

Signed-off-by: Tuomo Tanskanen <tuomo.tanskanen@est.tech>
Change-Id: Iedd802e0f0a07cbee66211dbcfe762500b130a22
diff --git a/jjb/metal3/job_capm3_e2e_basic_tests.yml b/jjb/metal3/job_capm3_e2e_basic_tests.yml
index eb21a4c..5bf486c 100644
--- a/jjb/metal3/job_capm3_e2e_basic_tests.yml
+++ b/jjb/metal3/job_capm3_e2e_basic_tests.yml
@@ -1,4 +1,3 @@
----
 #
 # ============LICENSE_START=======================================================
 #  Copyright (C) 2022 Nordix Foundation.
@@ -106,7 +105,7 @@
           url: "{ci_github_repo}"
           credentials-id: "{ci_github_jenkins_credentials_id}"
           branches:
-            - '{branch|main}'
+          - '{branch|main}'
           name: 'origin'
           refspec: '+refs/heads/*:refs/remotes/origin/*'
           wipe-workspace: True
@@ -130,6 +129,15 @@
             bmo_release_branch: main
             target_branches:
             - 'main'
+        - release-1-8:
+            capi_version: v1beta1
+            capm3_version: v1beta1
+            capm3_release_branch: release-1.8
+            bmo_release_branch: release-0.8
+            target_branches:
+            - 'main'
+            - 'release-1.8'
+            - 'release-0.8'
         - release-1-7:
             capi_version: v1beta1
             capm3_version: v1beta1