diff --git a/tests/ci/runtest-include.sh b/tests/ci/runtest-include.sh
index 09ec774181..dfa5e52dd5 100644
--- a/tests/ci/runtest-include.sh
+++ b/tests/ci/runtest-include.sh
@@ -3,7 +3,8 @@
 if [ -z $XDMOD_REALMS ]; then
     echo "XDMOD_REALMS is not set"
     echo "Default for core xdmod is: XDMOD_REALMS='jobs,storage,cloud,resourcespecifications'"
-    echo "Default for JobPerformance is: XDMOD_REALMS='jobs,storage,cloud,supremm,jobefficiency,resourcespecifications'"
+    echo "Default for JobPerformance is: XDMOD_REALMS='jobs,storage,cloud,resourcespecifications,supremm,jobefficiency'"
+    echo "Default for OnDemand is: XDMOD_REALMS='jobs,storage,cloud,resourcespecifications,ondemand'"
     exit 1
 fi
 
diff --git a/tests/regression/lib/Controllers/MetricExplorerChartsTest.php b/tests/regression/lib/Controllers/MetricExplorerChartsTest.php
index 320852b90a..e3bb6aab90 100644
--- a/tests/regression/lib/Controllers/MetricExplorerChartsTest.php
+++ b/tests/regression/lib/Controllers/MetricExplorerChartsTest.php
@@ -4,6 +4,7 @@
 
 use IntegrationTests\TestHarness\Utilities;
 use IntegrationTests\TestHarness\XdmodTestHelper;
+use ReflectionClass;
 
 class MetricExplorerChartsTest extends \PHPUnit\Framework\TestCase
 {
@@ -424,11 +425,7 @@ public function remainderChartProvider()
     private function generateFilterTests()
     {
         // Generate test scenario for filter tests.
-        $baseConfig = array(
-            array('realm' => 'Jobs', 'metric' => 'total_cpu_hours', 'date' => '2016-12-31'),
-            array('realm' => 'Storage', 'metric' => 'avg_logical_usage', 'date' => '2018-12-28'),
-            array('realm' => 'Cloud', 'metric' => 'cloud_core_time', 'date' => '2019-06-26')
-        );
+        $baseConfig = static::getFilterTestBaseConfig();
 
         $output = array();
 
@@ -475,9 +472,37 @@ private function generateFilterTests()
         return $output;
     }
 
+    /**
+     * This method is overridden by modules (SUPREMM, OnDemand).
+     */
+    protected static function getFilterTestBaseConfig()
+    {
+        return [
+            [
+                'realm' => 'Jobs',
+                'metric' => 'total_cpu_hours',
+                'date' => '2016-12-31'
+            ],
+            [
+                'realm' => 'Storage',
+                'metric' => 'avg_logical_usage',
+                'date' => '2018-12-28'
+            ],
+            [
+                'realm' => 'Cloud',
+                'metric' => 'cloud_core_time',
+                'date' => '2019-06-26'
+            ]
+        ];
+    }
+
     public function filterTestsProvider()
     {
-        $data_file = realpath(__DIR__ . '/../../../artifacts/xdmod/regression/chartFilterTests.json');
+        $testClass = new ReflectionClass($this);
+        $data_file = realpath(
+            dirname($testClass->getFilename())
+            . '/../../../artifacts/xdmod/regression/chartFilterTests.json'
+        );
         if (file_exists($data_file)) {
             $inputs = json_decode(file_get_contents($data_file), true);
         } else {
diff --git a/tests/regression/lib/Controllers/UsageExplorerCloudTest.php b/tests/regression/lib/Controllers/UsageExplorerCloudTest.php
index 921d9ae2f3..3c6f3b19d2 100644
--- a/tests/regression/lib/Controllers/UsageExplorerCloudTest.php
+++ b/tests/regression/lib/Controllers/UsageExplorerCloudTest.php
@@ -7,45 +7,9 @@
 /**
  * Test the usage explorer for cloud realm regressions.
  */
-class UsageExplorerCloudTest extends \PHPUnit\Framework\TestCase
+class UsageExplorerCloudTest extends aUsageExplorerTest
 {
-
-    /**
-     * @var \RegressionTestHelper
-     */
-    private static $helper;
-
-    /**
-     * Create the helper and authenticate.
-     */
-    public static function setupBeforeClass(): void
-    {
-        self::$helper = new RegressionTestHelper();
-        self::$helper->authenticate();
-    }
-
-    /**
-     * Log out and output any messages generated by tests.
-     */
-    public static function tearDownAfterClass(): void
-    {
-        self::$helper->logout();
-        self::$helper->outputMessages();
-    }
-
-    /**
-     * Test usage explorer CSV export.
-     *
-     * @group regression
-     * @group UsageExplorer
-     * @dataProvider csvExportProvider
-     */
-    public function testCsvExport($testName, $input, $expectedFile, $userRole)
-    {
-        $this->assertTrue(self::$helper->checkCsvExport($testName, $input, $expectedFile, $userRole));
-    }
-
-    public function csvExportProvider(){
+    public function csvExportProvider() {
         $statistics = array(
             'cloud_num_sessions_ended',
             'cloud_num_sessions_running',
diff --git a/tests/regression/lib/Controllers/UsageExplorerJobsTest.php b/tests/regression/lib/Controllers/UsageExplorerJobsTest.php
index 96682b467c..a14392c80d 100644
--- a/tests/regression/lib/Controllers/UsageExplorerJobsTest.php
+++ b/tests/regression/lib/Controllers/UsageExplorerJobsTest.php
@@ -7,43 +7,8 @@
 /**
  * Test the usage explorer for jobs realm regressions.
  */
-class UsageExplorerJobsTest extends \PHPUnit\Framework\TestCase
+class UsageExplorerJobsTest extends aUsageExplorerTest
 {
-    /**
-     * @var \RegressionTestHelper
-     */
-    private static $helper;
-
-    /**
-     * Create the helper and authenticate.
-     */
-    public static function setupBeforeClass(): void
-    {
-        self::$helper = new RegressionTestHelper();
-        self::$helper->authenticate();
-    }
-
-    /**
-     * Log out and output any messages generated by tests.
-     */
-    public static function tearDownAfterClass(): void
-    {
-        self::$helper->logout();
-        self::$helper->outputMessages();
-    }
-
-    /**
-     * Test usage explorer CSV export.
-     *
-     * @group regression
-     * @group UsageExplorer
-     * @dataProvider csvExportProvider
-     */
-    public function testCsvExport($testName, $input, $expectedFile, $userRole)
-    {
-        $this->assertTrue(self::$helper->checkCsvExport($testName, $input, $expectedFile, $userRole));
-    }
-
     public function csvExportProvider()
     {
         $statistics = [
diff --git a/tests/regression/lib/Controllers/UsageExplorerResourcespecificationsTest.php b/tests/regression/lib/Controllers/UsageExplorerResourcespecificationsTest.php
index 5977f8daf5..27b65cb44d 100644
--- a/tests/regression/lib/Controllers/UsageExplorerResourcespecificationsTest.php
+++ b/tests/regression/lib/Controllers/UsageExplorerResourcespecificationsTest.php
@@ -2,49 +2,13 @@
 
 namespace RegressionTests\Controllers;
 
-use PHPUnit\Framework\TestCase;
 use RegressionTests\TestHarness\RegressionTestHelper;
 
 /**
  * Test the usage explorer for jobs realm regressions.
  */
-class UsageExplorerResourcespecificationsTest extends TestCase
+class UsageExplorerResourcespecificationsTest extends aUsageExplorerTest
 {
-    /**
-     * @var \RegressionTestHelper
-     */
-    private static $helper;
-
-    /**
-     * Create the helper and authenticate.
-     */
-    public static function setUpBeforeClass(): void
-    {
-        self::$helper = new RegressionTestHelper();
-        self::$helper->authenticate();
-    }
-
-    /**
-     * Log out and output any messages generated by tests.
-     */
-    public static function tearDownAfterClass(): void
-    {
-        self::$helper->logout();
-        self::$helper->outputMessages();
-    }
-
-    /**
-     * Test usage explorer CSV export.
-     *
-     * @group regression
-     * @group UsageExplorer
-     * @dataProvider csvExportProvider
-     */
-    public function testCsvExport($testName, $input, $expectedFile, $userRole)
-    {
-        $this->assertTrue(self::$helper->checkCsvExport($testName, $input, $expectedFile, $userRole));
-    }
-
     public function csvExportProvider()
     {
         $statistics = [
diff --git a/tests/regression/lib/Controllers/UsageExplorerStorageTest.php b/tests/regression/lib/Controllers/UsageExplorerStorageTest.php
index 6b109b70d9..512e48381b 100644
--- a/tests/regression/lib/Controllers/UsageExplorerStorageTest.php
+++ b/tests/regression/lib/Controllers/UsageExplorerStorageTest.php
@@ -7,43 +7,8 @@
 /**
  * Test the usage explorer for storage realm regressions.
  */
-class UsageExplorerStorageTest extends \PHPUnit\Framework\TestCase
+class UsageExplorerStorageTest extends aUsageExplorerTest
 {
-    /**
-     * @var \RegressionTestHelper
-     */
-    private static $helper;
-
-    /**
-     * Create the helper and authenticate.
-     */
-    public static function setupBeforeClass(): void
-    {
-        self::$helper = new RegressionTestHelper();
-        self::$helper->authenticate();
-    }
-
-    /**
-     * Log out and output any messages generated by tests.
-     */
-    public static function tearDownAfterClass(): void
-    {
-        self::$helper->logout();
-        self::$helper->outputMessages();
-    }
-
-    /**
-     * Test usage explorer CSV export.
-     *
-     * @group regression
-     * @group UsageExplorer
-     * @dataProvider csvExportProvider
-     */
-    public function testCsvExport($testName, $input, $expectedFile, $userRole)
-    {
-        $this->assertTrue(self::$helper->checkCsvExport($testName, $input, $expectedFile, $userRole));
-    }
-
     public function csvExportProvider()
     {
         $statistics = [
diff --git a/tests/regression/lib/Controllers/aUsageExplorerTest.php b/tests/regression/lib/Controllers/aUsageExplorerTest.php
new file mode 100644
index 0000000000..a1aa508497
--- /dev/null
+++ b/tests/regression/lib/Controllers/aUsageExplorerTest.php
@@ -0,0 +1,51 @@
+<?php
+
+namespace RegressionTests\Controllers;
+
+use RegressionTests\TestHarness\RegressionTestHelper;
+
+/**
+ * Test the usage explorer for realm regressions.
+ */
+abstract class aUsageExplorerTest extends \PHPUnit\Framework\TestCase
+{
+    /**
+     * @var \RegressionTestHelper
+     */
+    private static $helper;
+
+    /**
+     * Create the helper and authenticate.
+     */
+    public static function setUpBeforeClass(): void
+    {
+        self::$helper = new RegressionTestHelper();
+        self::$helper->authenticate();
+    }
+
+    /**
+     * Log out and output any messages generated by tests.
+     */
+    public static function tearDownAfterClass(): void
+    {
+        self::$helper->logout();
+        self::$helper->outputMessages();
+    }
+
+    /**
+     * Test usage explorer CSV export.
+     *
+     * @group regression
+     * @group UsageExplorer
+     * @dataProvider csvExportProvider
+     */
+    public function testCsvExport($testName, $input, $expectedFile, $userRole)
+    {
+        $this->assertTrue(self::$helper->checkCsvExport($testName, $input, $expectedFile, $userRole));
+    }
+
+    /**
+     * @return array test data from RegressionTestHelper::generateTests().
+     */
+    abstract public function csvExportProvider();
+}
diff --git a/tests/regression/runtests.sh b/tests/regression/runtests.sh
index bfd51ba2d0..f67cdee762 100755
--- a/tests/regression/runtests.sh
+++ b/tests/regression/runtests.sh
@@ -1,6 +1,7 @@
 #!/bin/bash
 BASEDIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
-source $BASEDIR/../ci/runtest-include.sh
+XDMOD_SRC_DIR=${XDMOD_SRC_DIR:-$BASEDIR/../..}
+source $XDMOD_SRC_DIR/tests/ci/runtest-include.sh
 echo "Regression tests beginning:" `date +"%a %b %d %H:%M:%S.%3N %Y"`
 set -e
 
@@ -8,7 +9,7 @@ export XDMOD_REALMS
 
 cd $(dirname $0)
 
-if [ ! -e ../ci/testing.json ];
+if [ ! -e $XDMOD_SRC_DIR/tests/ci/testing.json ];
 then
     echo "ERROR missing testing.json file." >&2
     echo >&2
@@ -16,7 +17,7 @@ then
     false
 fi
 
-phpunit="$(readlink -f ../../vendor/bin/phpunit)"
+phpunit="$(readlink -f $XDMOD_SRC_DIR/vendor/bin/phpunit)"
 
 if [ ! -x "$phpunit" ]; then
     echo phpunit not found, run \"composer install\" 1>&2