Fix retry

src/Builder.php

@@ -3,9 +3,9 @@
 namespace TitasGailius\Terminal;
 
 use DateTime;
+use Exception;
 use DateInterval;
 use BadMethodCallException;
-use Exception;
 use InvalidArgumentException;
 use Symfony\Component\Process\Process;
 
@@ -200,7 +200,7 @@ public function inBackground()
      * @param  int  $sleep
      * @return $this
      */
-    public function retries(int $times, int $sleep)
+    public function retries(int $times, int $sleep = 0)
     {
         $this->retries = [$times, $sleep];
 

tests/BuilderTest.php

@@ -242,6 +242,23 @@ public function testBuilderProxy()
         $this->assertEquals(123, $builder->getPid());
     }
 
+    /**
+     * Test that it retries a failed command.
+     *
+     * @return void
+     */
+    public function testRetry()
+    {
+        $builder = $this->builderWithMockedProccess(function ($mock) {
+            $mock->shouldReceive('isSuccessful')
+                ->times(3)
+                ->andReturn(false, false , true);
+        });
+
+        $builder->retries(3)
+            ->execute('echo Hello, World');
+    }
+
     /**
      * Create a new builder instance with a mocked process instance.
      *