Refactored other PHPUnit method calls to work with namespaced PHPUnit 6

Author: peterrehm

Tests/AbstractLayoutTest.php

@@ -2424,6 +2424,8 @@ public function testWidgetAttributes()
         // compare plain HTML to check the whitespace
         try {
             $this->assertSame('<input type="text" id="text" name="text" readonly="readonly" disabled="disabled" required="required" maxlength="10" pattern="\d+" class="foobar" data-foo="bar" value="value" />', $html);
+        } catch (\PHPUnit\Framework\AssertionFailedError $e) {
+            $this->assertSame('<input type="text" id="text" name="text" disabled="disabled" required="required" readonly="readonly" maxlength="10" pattern="\d+" class="foobar" data-foo="bar" value="value" />', $html);
         } catch (\PHPUnit_Framework_AssertionFailedError $e) {
             $this->assertSame('<input type="text" id="text" name="text" disabled="disabled" required="required" readonly="readonly" maxlength="10" pattern="\d+" class="foobar" data-foo="bar" value="value" />', $html);
         }