Increase test coverage

tests/AnnotationTest.php

@@ -284,6 +284,13 @@ class AnnotationTest extends TestCase
                         }
                     }',
             ],
+            'returnDocblock' => [
+                '<?php
+                    function foo(int $i) : int {
+                        /** @var int */
+                        return $i;
+                    }',
+            ],
         ];
     }
 

tests/MethodSignatureTest.php

@@ -240,6 +240,11 @@ class MethodSignatureTest extends TestCase
                     }',
                 'error_message' => 'MethodSignatureMismatch',
             ],
+            'misplacedRequiredParam' => [
+                '<?php
+                    function foo($bar = null, $bat) : void {}',
+                'error_message' => 'MisplacedRequiredParam',
+            ],
         ];
     }
 }

tests/UnusedCodeTest.php

@@ -270,6 +270,14 @@ class UnusedCodeTest extends TestCase
                     new A();',
                 'error_message' => 'UnusedMethod',
             ],
+            'unevaluatedCode' => [
+                '<?php
+                    function foo() : void {
+                        return;
+                        $a = "foo";
+                    }',
+                'error_message' => 'UnevaluatedCode',
+            ],
         ];
     }
 }