increasing php test coverage, small group test formatting fix and add…

…ing a match regex in the inspector so that multi-line arrays do not count as executable

analysis/Inspector.php

@@ -189,7 +189,8 @@ function($str) { return preg_quote($str, '/'); },
 			$pattern = join('|', array(
 				"({$pattern})",
 				"\\$(.+)\($",
-				"\s*['\"]\w+['\"]\s*=>\s*.+[\{\(]$"
+				"\s*['\"]\w+['\"]\s*=>\s*.+[\{\(]$",
+				"\s*['\"]\w+['\"]\s*=>\s*['\"]*.+['\"]*\s*"
 			));
 			$options['pattern'] = "/^({$pattern})/";
 		}

tests/cases/storage/session/adapter/PhpTest.php

@@ -230,6 +230,18 @@ public function testDelete() {
 		$this->assertTrue($result);
 	}
 
+	/**
+	 * Checks if erasing the whole session array works as expected.
+	 */
+	public function testClear() {
+		$_SESSION['foo'] = 'bar';
+		$this->assertFalse(empty($_SESSION));
+		$closure = $this->Php->clear();
+		$this->assertTrue(is_callable($closure));
+		$result = $closure($this->Php, array(), null);
+		$this->assertTrue(empty($_SESSION));
+	}
+
 	public function testCheckThrowException() {
 		$Php = new MockPhp(array('init' => false));
 		$this->expectException('/Could not start session./');

tests/cases/test/GroupTest.php

@@ -109,8 +109,6 @@ public function testAddEmptyTestsRun() {
 
 		$results = $group->tests();
 		$this->assertTrue(is_a($results, 'lithium\util\Collection'));
-
-		$results = $group->tests();
 		$this->assertTrue(is_a($results->current(), 'lithium\tests\mocks\test\MockUnitTest'));
 
 		$results = $group->tests()->run();