Integration tests fixes

Author: eduard13

app/code/Magento/Paypal/Model/Express/Checkout.php

@@ -505,7 +505,7 @@ public function start($returnUrl, $cancelUrl, $button = null)
         $solutionType = $this->_config->getMerchantCountry() == 'DE'
             ? \Magento\Paypal\Model\Config::EC_SOLUTION_TYPE_MARK
             : $this->_config->getValue('solutionType');
-        $totalAmount = round($this->_quote->getBaseGrandTotal(), 2);
+        $totalAmount = round((float)$this->_quote->getBaseGrandTotal(), 2);
         $this->_getApi()->setAmount($totalAmount)
             ->setCurrencyCode($this->_quote->getBaseCurrencyCode())
             ->setInvNum($this->_quote->getReservedOrderId())

dev/tests/integration/testsuite/Magento/Framework/Filter/TemplateTest.php

@@ -90,17 +90,21 @@ public function getFilterForDataProvider()
         2 name: Spot, lastname: , age: 7
     </li>
 
+    <li>
+        3 name: Bill, lastname: , age: 25
+    </li>
+
 </ul>
 EXPECTED_RESULT;
 
         $template2 = <<<TEMPLATE
 <ul>
-    {{for item in order.all_visible_items}}
+{{for item in order.all_visible_items}}
     <li>
         index: {{var loop.index}} sku: {{var item.sku}}
         name: {{var item.name}} price: {{var item.price}} quantity: {{var item.ordered_qty}}
     </li>
-    {{/for}}
+{{/for}}
 </ul>
 TEMPLATE;