remove example test

tests/ExampleTest.php

@@ -1,25 +0,0 @@
-<?php
-
-namespace Tests;
-
-use StatonLab\TripalTestSuite\DBTransaction;
-use StatonLab\TripalTestSuite\TripalTestCase;
-
-/**
- * Class ExampleTest
- *
- * Note that test classes must have a suffix of Test.php and the filename
- * must match the class name.
- *
- * @package Tests
- */
-class ExampleTest extends TripalTestCase {
-  /**
-   * Basic test example.
-   * Tests must begin with the word "test".
-   * See https://phpunit.readthedocs.io/en/latest/ for more information.
-   */
-  public function testBasicExample() {
-    $this->assertTrue(true);
-  }
-}