diff --git a/.travis.yml b/.travis.yml
index 67b25e1737..4328ae7645 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -50,7 +50,7 @@ jobs:
       php: 7.4
       env: DB=mysqli MOODLE_BRANCH=MOODLE_310_STABLE
       install:
-        - moodle-plugin-ci install --no-init
+        - moodle-plugin-ci install
       script:
         - moodle-plugin-ci phplint
         - moodle-plugin-ci phpcpd
@@ -60,6 +60,8 @@ jobs:
         - moodle-plugin-ci savepoints
         - moodle-plugin-ci mustache
         - moodle-plugin-ci grunt
+        - moodle-plugin-ci phpunit --coverage-clover
+        - moodle-plugin-ci behat
     # Smaller build matrix for development builds
     - stage: develop
       php: 7.4
diff --git a/tests/discussions_test.php b/tests/discussions_test.php
new file mode 100644
index 0000000000..d1beffc45a
--- /dev/null
+++ b/tests/discussions_test.php
@@ -0,0 +1,86 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * PHPUnit Tests for testing discussion retrieval
+ *
+ * @package   mod_moodleoverflow
+ * @copyright 2020 Jan Dageförde <jan@dagefor.de>
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+defined('MOODLE_INTERNAL') || die();
+
+global $CFG;
+require_once($CFG->dirroot . '/mod/moodleoverflow/locallib.php');
+
+/**
+ * PHPUnit Tests for testing discussion retrieval
+ *
+ * @package   mod_moodleoverflow
+ * @copyright 2020 Jan Dageförde <jan@dagefor.de>
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+ //basic_testcase --> no database changes or edits 
+ //advanced_testcase --> with database changes and edits
+
+ //class is a testcase, meaning a collection of usecases in a certain category
+class mod_moodleoverflow_discussions_testcase extends advanced_testcase {
+
+
+	//function represents a usecase in the category
+	/*
+    public function test_a_fresh_forum_has_an_empty_discussion_list() {
+
+		//assert determains value that must be true
+		// can a dicussion be found? here it searches for empty
+        $this->assertEquals(count($discussions), 0);
+    }
+	*/
+
+    public function test_a_discussion_can_be_retrieved() {
+		$this->resetAfterTest();
+
+		$user = $this->getDataGenerator()->create_user();
+
+		$course = $this->getDataGenerator()->create_course();
+		$moodleoverflow = $this->getDataGenerator()->create_module('moodleoverflow', ['course' => $course->id]);
+
+		// todo: discussion erzeugen
+		// todo: add plugin DataGenerator from mooodleoverflow
+		$plugindatagernator = $this->getDataGenerator()->get_plugin_generator('mod_moodleoverflow');
+		$plugindatagernator -> create_discussion(['course' => $course->id, 'moodleoverflow' => $moodleoverflow->id, 'userid' => $user->id], $moodleoverflow);
+
+		$coursemodule = get_coursemodule_from_instance('moodleoverflow', $moodleoverflow->id);
+		$discussions = moodleoverflow_get_discussions($coursemodule);
+
+		// can a dicussion be found? here it searches for an entry
+        $this->assertEquals(1, count($discussions));
+    }
+	
+	public function test_new_forum_is_empty() {
+		$this->resetAfterTest();
+
+		$course = $this->getDataGenerator()->create_course();
+		$moodleoverflow = $this->getDataGenerator()->create_module('moodleoverflow', ['course' => $course->id]);
+
+		$coursemodule = get_coursemodule_from_instance('moodleoverflow', $moodleoverflow->id);
+		$discussions = moodleoverflow_get_discussions($coursemodule);
+
+		$this->assertEquals(0, count($discussions));
+	}
+}
\ No newline at end of file