diff --git a/tests/ParserTest.php b/tests/ParserTest.php
index 5f71850..ae815e4 100644
--- a/tests/ParserTest.php
+++ b/tests/ParserTest.php
@@ -24,7 +24,6 @@ public static function setUpBeforeClass() {
 
 	/**
 	 * @dataProvider testData
-	 * @test
 	 */
 	public function testParse($input, $output) {
 		$res = $this->tsmarty2c($input);
@@ -43,7 +42,7 @@ public function testData() {
 
 	/**
 	 * @dataProvider testContextData
-	 * @test that tsmarty2c is able to parse {t context} properly
+	 * test that tsmarty2c is able to parse {t context} properly
 	 */
 	public function testContext($input, $output) {
 		$res = $this->tsmarty2c($input);
@@ -70,9 +69,8 @@ private function getFiles($number) {
 
 	private function getFileName($number, $ext) {
 		$datadir = __DIR__ . '/data';
-		$file = $datadir . "/$number.$ext";
 
-		return $file;
+		return $datadir . "/$number.$ext";
 	}
 
 	private function getFile($number, $ext) {
diff --git a/tests/TestCase.php b/tests/TestCase.php
index ada6d0c..af058d5 100644
--- a/tests/TestCase.php
+++ b/tests/TestCase.php
@@ -124,11 +124,11 @@ protected function tsmarty2c($input) {
 		$cmd[] = escapeshellcmd(self::$tsmarty2c);
 		$cmd[] = escapeshellarg($input);
 
-		exec(join(' ', $cmd), $lines, $rc);
+		exec(implode(' ', $cmd), $lines, $rc);
 		$this->assertEquals(0, $rc, "command ran okay");
 		$this->assertNotEmpty($lines);
 
-		$res = join("\n", $lines);
+		$res = implode("\n", $lines);
 		$this->assertNotEmpty($res);
 
 		return $res;