Update dev dependencies

composer.json

@@ -30,13 +30,12 @@
         "ext-xmlwriter": "*"
     },
     "require-dev": {
-        "squizlabs/php_codesniffer": "2.*",
-        "phpunit/phpunit": "4.6.*",
-        "mikey179/vfsStream": "1.5.*",
-        "friendsofphp/php-cs-fixer": "^2.0",
         "dompdf/dompdf": "^0.7.0",
         "mpdf/mpdf": "^6.1",
-        "tecnickcom/tcpdf": "^6.2"
+        "tecnickcom/tcpdf": "^6.2",
+        "squizlabs/php_codesniffer": "^2.7",
+        "phpunit/phpunit": "^5.7",
+        "friendsofphp/php-cs-fixer": "^2.0"
     },
     "suggest": {
         "ext-zip": "Required to handle .xlsx .ods or .gnumeric files",

tests/PhpSpreadsheetTests/Cell/AdvancedValueBinderTest.php

@@ -41,7 +41,9 @@ class AdvancedValueBinderTest extends \PHPUnit_Framework_TestCase
      */
     public function testCurrency($value, $valueBinded, $format, $thousandsSeparator, $decimalSeparator, $currencyCode)
     {
-        $sheet = $this->getMock(Worksheet::class, ['getStyle', 'getNumberFormat', 'setFormatCode', 'getCellCacheController']);
+        $sheet = $this->getMockBuilder(Worksheet::class)
+            ->setMethods(['getStyle', 'getNumberFormat', 'setFormatCode', 'getCellCacheController'])
+            ->getMock();
         $cache = $this->getMockBuilder(Memory::class)
             ->disableOriginalConstructor()
             ->getMock();

tests/PhpSpreadsheetTests/Worksheet/AutoFilter/Column/RuleTest.php

@@ -15,10 +15,6 @@ class RuleTest extends \PHPUnit_Framework_TestCase
             ->disableOriginalConstructor()
             ->getMock();
 
-        $this->mockAutoFilterColumnObject->expects($this->any())
-            ->method('testColumnInRange')
-            ->will($this->returnValue(3));
-
         $this->testAutoFilterRuleObject = new Column\Rule(
             $this->mockAutoFilterColumnObject
         );

tests/PhpSpreadsheetTests/Worksheet/ColumnIteratorTest.php

@@ -24,9 +24,6 @@ class ColumnIteratorTest extends \PHPUnit_Framework_TestCase
         $this->mockWorksheet->expects($this->any())
             ->method('getHighestColumn')
             ->will($this->returnValue('E'));
-        $this->mockWorksheet->expects($this->any())
-            ->method('current')
-            ->will($this->returnValue($this->mockColumn));
     }
 
     public function testIteratorFullRange()

tests/PhpSpreadsheetTests/Worksheet/RowIteratorTest.php

@@ -24,9 +24,6 @@ class RowIteratorTest extends \PHPUnit_Framework_TestCase
         $this->mockWorksheet->expects($this->any())
             ->method('getHighestRow')
             ->will($this->returnValue(5));
-        $this->mockWorksheet->expects($this->any())
-            ->method('current')
-            ->will($this->returnValue($this->mockRow));
     }
 
     public function testIteratorFullRange()