Don't check on php8

Signed-off-by: Roeland Jago Douma <roeland@famdouma.nl>

tests/lib/App/CodeChecker/CodeCheckerTest.php

@@ -22,6 +22,10 @@ class CodeCheckerTest extends TestCase {
 	 * @param string $fileToVerify
 	 */
 	public function testFindInvalidUsage($expectedErrorToken, $expectedErrorCode, $fileToVerify) {
+		if (PHP_MAJOR_VERSION > 7) {
+			$this->markTestSkipped('Only run on php7');
+		}
+
 		$checker = new CodeChecker(
 			new PrivateCheck(new EmptyCheck()),
 			false
@@ -49,6 +53,10 @@ class CodeCheckerTest extends TestCase {
 	 * @param string $fileToVerify
 	 */
 	public function testPassValidUsage($fileToVerify) {
+		if (PHP_MAJOR_VERSION > 7) {
+			$this->markTestSkipped('Only run on php7');
+		}
+
 		$checker = new CodeChecker(
 			new PrivateCheck(new EmptyCheck()),
 			false

tests/lib/App/CodeChecker/StrongComparisonCheckTest.php

@@ -45,6 +45,10 @@ class StrongComparisonCheckTest extends TestCase {
 	 * @param string $fileToVerify
 	 */
 	public function testPassValidUsage($fileToVerify) {
+		if (PHP_MAJOR_VERSION > 7) {
+			$this->markTestSkipped('Only run on php7');
+		}
+
 		$checker = new CodeChecker(
 			new StrongComparisonCheck(new EmptyCheck()),
 			false