Adds test cases for loggers and removes use of str_starts_with.

tests/Visual/JUnit.php

@@ -0,0 +1,29 @@
+<?php
+
+use Pest\Logging\JUnit;
+use PHPUnit\Framework\AssertionFailedError;
+use PHPUnit\Framework\TestSuite;
+use PHPUnit\Framework\Warning;
+
+beforeEach(function () {
+    file_put_contents(__DIR__ . '/junit.html', '');
+});
+
+it('is can successfully call all public methods', function () {
+    $junit = new JUnit(__DIR__ . '/junit.html');
+    $junit->startTestSuite(new TestSuite());
+    $junit->startTest($this);
+    $junit->addError($this, new Exception(), 0);
+    $junit->addFailure($this, new AssertionFailedError(), 0);
+    $junit->addWarning($this, new Warning(), 0);
+    $junit->addIncompleteTest($this, new Exception(), 0);
+    $junit->addRiskyTest($this, new Exception(), 0);
+    $junit->addSkippedTest($this, new Exception(), 0);
+    $junit->endTest($this, 0);
+    $junit->endTestSuite(new TestSuite());
+    $this->expectNotToPerformAssertions();
+});
+
+afterEach(function () {
+    unlink(__DIR__ . '/junit.html');
+});