Add xunit support to make-unit-test for openolt

Increase executor size for openolt tests

Change-Id: I9aa35f35bd7210ce3f05ad06590007f72b3528ed
diff --git a/jjb/defaults.yaml b/jjb/defaults.yaml
index 9699b23..d2a34bd 100644
--- a/jjb/defaults.yaml
+++ b/jjb/defaults.yaml
@@ -145,9 +145,15 @@
     siab-projects-regexp: '^(xos-core/.*|xos-profiles/seba-services/.*|xos-profiles/base-kubernetes/.*|xos-profiles/ponsim-pod/.*|workflows/att-workflow/.*|voltha/.*|onos/.*|mininet/.*|configs/seba-ponsim.yaml)$'
 
     # Optionally allow JUnit results to be empty when test framework is set up,
-    # but no tests exist. Default behavior is to fail when test results are empty.
+    # but no tests exist. Default behavior is to fail when test results are
+    # empty. Also will not vote if no test output exists - good for repos where
+    # tests or test output generation may not yet exist.
     junit-allow-empty-results: false
 
+    # Allow xunit to not vote if no test files exist. Default is true because
+    # jUnit is the more commonly supported output format.
+    xunit-skip-if-no-test-files: true
+
     # Unit test targets
     # List of targets to run when testing a patchset, run with make or similar
     # defaults to just 'test', multiple targets should be space separated
diff --git a/jjb/make-unit.yaml b/jjb/make-unit.yaml
index 9101df3..0effd2e 100644
--- a/jjb/make-unit.yaml
+++ b/jjb/make-unit.yaml
@@ -54,6 +54,12 @@
       - junit:
           results: "**/*results.xml,**/*report.xml"
           allow-empty-results: '{junit-allow-empty-results}'
+      - xunit:
+          types:
+            - gunit:
+                pattern: "**/*xunit.xml"
+                deleteoutput: false
+                skip-if-no-test-files: '{xunit-skip-if-no-test-files}'
       - cobertura:
           report-file: "**/*coverage.xml"
           targets:
diff --git a/jjb/verify/openolt.yaml b/jjb/verify/openolt.yaml
index 7b4eac8..91159f6 100644
--- a/jjb/verify/openolt.yaml
+++ b/jjb/verify/openolt.yaml
@@ -15,7 +15,11 @@
       - 'verify-licensed'
       - 'tag-collision-reject'
       - 'make-unit-test':
+          build-node: 'ubuntu16.04-basebuild-2c-4g'
           unit-test-targets: 'test'
+          # openolt uses gtest which outputs in xunit format
+          junit-allow-empty-results: true
+          xunit-skip-if-no-test-files: false
 
 # This and the job-template below were written in October 2018
 #