Fix Code Style in all files

Author: Steveb-p

Client/Message.php

@@ -88,15 +88,15 @@ public function __construct($body = '', array $properties = [], array $headers =
  }
 
  /**
- * @return null|string
+ * @return string|null
  */
  public function getBody()
  {
  return $this->body;
  }
 
  /**
- * @param null|string|int|float|array|\JsonSerializable $body
+ * @param string|int|float|array|\JsonSerializable|null $body
  */
  public function setBody($body)
  {

Consumption/Context/MessageResult.php

@@ -76,7 +76,7 @@ public function getReceivedAt(): int
  }
 
  /**
- * @return Result|null|object|string
+ * @return Result|object|string|null
  */
  public function getResult()
  {

Tests/Client/DelegateProcessorTest.php

@@ -39,15 +39,15 @@ public function testShouldProcessMessage()
  ->expects($this->once())
  ->method('process')
  ->with($this->identicalTo($message), $this->identicalTo($session))
- ->will($this->returnValue('return-value'))
+ ->willReturn('return-value')
  ;
 
  $processorRegistry = $this->createProcessorRegistryMock();
  $processorRegistry
  ->expects($this->once())
  ->method('get')
  ->with('processor-name')
- ->will($this->returnValue($processor))
+ ->willReturn($processor)
  ;
 
  $processor = new DelegateProcessor($processorRegistry);

Tests/Client/Extension/PrepareBodyExtensionTest.php

@@ -31,7 +31,7 @@ public function testCouldConstructedWithoutAnyArguments()
  * @dataProvider provideMessages
  *
  * @param mixed $body
- * @param null|mixed $contentType
+ * @param mixed|null $contentType
  */
  public function testShouldSendStringUnchangedAndAddPlainTextContentTypeIfEmpty(
  $body,

Tests/Consumption/FallbackSubscriptionConsumerTest.php

@@ -227,7 +227,7 @@ public function testShouldConsumeTillTimeoutIsReached()
  }
 
  /**
- * @param null|mixed $body
+ * @param mixed|null $body
  *
  * @return InteropMessage|\PHPUnit_Framework_MockObject_MockObject
  */
@@ -244,7 +244,7 @@ private function createMessageStub($body = null)
  }
 
  /**
- * @param null|mixed $queueName
+ * @param mixed|null $queueName
  *
  * @return Consumer|\PHPUnit_Framework_MockObject_MockObject
  */