Add rsmexplain tests to ci plans

Author: damien2012eng

DistributeTests.ps1

@@ -1,9 +1,9 @@
-<#  
-.SYNOPSIS  
-    Distribute the tests in VSTS pipeline across multiple agents 
-.DESCRIPTION  
+<#
+.SYNOPSIS
+    Distribute the tests in VSTS pipeline across multiple agents
+.DESCRIPTION
     This script divides test files across multiple agents for running on Azure DevOps.
-    It is adapted from the script in this repository: 
+    It is adapted from the script in this repository:
     https://github.com/PBoraMSFT/ParallelTestingSample-Python/blob/master/DistributeTests.ps1
 
     The distribution is basically identical to the way we do it in .travis.yaml
@@ -63,10 +63,12 @@ elseif ($agentNumber -eq 5) {
 }
 elseif ($agentNumber -eq 6) {
     $testsToRun = $testsToRun + "tests/test_experiment_rsmxval.py"
+    $testsToRun = $testsToRun + "tests/test_experiment_rsmexplain.py"
+    $testsToRun = $testsToRun + "tests/test_explanation_utils.py"
 }
 
 # join all test files seperated by space. pytest runs multiple test files in following format pytest test1.py test2.py test3.py
 $testFiles = $testsToRun -Join " "
 Write-Host "Test files $testFiles"
-# write these files into variable so that we can run them using pytest in subsequent task. 
-Write-Host "##vso[task.setvariable variable=pytestfiles;]$testFiles" 
+# write these files into variable so that we can run them using pytest in subsequent task.
+Write-Host "##vso[task.setvariable variable=pytestfiles;]$testFiles"