Bump the "rybakit/phpunit-extras" version to 0.2

Author: rybakit

README.md

@@ -240,12 +240,28 @@ These methods are part of the `Tarantool\PhpUnit\TestCase` class, but they can a
 
 ```php
 use PHPUnit\Framework\TestCase;
+use PHPUnitExtras\Expectation\Expectations as BaseExpectations;
+use Tarantool\Client\Client;
 use Tarantool\PhpUnit\Expectation\RequestExpectations;
 
 final class MyTest extends TestCase
 {
+    use BaseExpectations;
     use RequestExpectations;
 
+    protected function getClient() : Client
+    {
+        // TODO: Implement getClient() method.
+    }
+
+    /**
+     * @after
+     */
+    protected function verifyTestCaseExpectations() : void
+    {
+        $this->verifyExpectations();
+    }
+
     // ...
 }
 ```

composer.json

@@ -15,9 +15,9 @@
         "composer/semver": "^1.5",
         "ocramius/package-versions": "^1.4",
         "rybakit/msgpack": "^0.7",
-        "rybakit/phpunit-extras": "^0.1",
+        "rybakit/phpunit-extras": "^0.2",
         "symfony/expression-language": "^3.3|^4|^5",
-        "tarantool/client": "^0.7"
+        "tarantool/client": "^0.7|^0.8"
     },
     "require-dev": {
         "php": "^7.1.3",