Checkout working version of cord-tester in siab-test

This is temporary, until Zack completes cord-tester refactoring, as
master is currently broken for siab tests.

Change-Id: Ie9e45ba806a5904b33b384faddfc0dbee402e325
diff --git a/jjb/pipeline/siab-test.groovy b/jjb/pipeline/siab-test.groovy
index 20b905f..b13ca11 100644
--- a/jjb/pipeline/siab-test.groovy
+++ b/jjb/pipeline/siab-test.groovy
@@ -47,6 +47,17 @@
       }
     }
 
+    // FIXME: remove once Zack completes cord-tester refactoring, as master is
+    //  currently broken for siab tests.
+    stage('Cord-tester fix') {
+      steps {
+        sh """
+           pushd $WORKSPACE/cord/test/cord-tester
+           git checkout -b foo 7b3f901659a22c09e4759e343ad693b80125e06b
+           popd
+           """
+      }
+    }
 
     stage ('Reset Kubeadm') {
       steps {