Fix code style and bump to php 7.4

tests/integration/ReconstitutingADocBlockTest.php

@@ -14,6 +14,9 @@ declare(strict_types=1);
 namespace phpDocumentor\Reflection;
 
 use Mockery as m;
+use phpDocumentor\Reflection\DocBlock\Description;
+use phpDocumentor\Reflection\DocBlock\Tags\Generic;
+use phpDocumentor\Reflection\Types\ContextFactory;
 use PHPUnit\Framework\TestCase;
 
 /**
@@ -40,4 +43,43 @@ class ReconstitutingADocBlockTest extends TestCase
 
         $this->assertSame($docComment, $reconstitutedDocComment);
     }
+
+
+    /**
+     * Method
+     *
+     * Method which contains a modulo sign (%) in its description.
+     *
+     * @uses \phpDocumentor\Reflection\DocBlock\Tags\Generic
+     * @uses \phpDocumentor\Reflection\DocBlock\Tags\BaseTag
+     * @uses \phpDocumentor\Reflection\DocBlock\Tags\Formatter\PassthroughFormatter
+     *
+     * @covers ::__construct
+     * @covers ::render
+     * @covers ::__toString
+     */
+    public function testDescriptionCanContainPercent(): void
+    {
+        $factory = DocBlockFactory::createInstance();
+        $contextFactory = new ContextFactory();
+
+        $method = new \ReflectionMethod(self::class, 'testDescriptionCanContainPercent');
+
+        $docblock = $factory->create(
+            $method,
+            $contextFactory->createFromReflector($method->getDeclaringClass())
+        );
+
+        $tag1 = new Generic('JoinColumn', new Description('(name="column_id", referencedColumnName="id")'));
+        $tag2 = new Generic('JoinColumn', new Description('(name="column_id_2", referencedColumnName="id")'));
+
+        $tags = [
+            $tag1,
+            $tag2,
+        ];
+
+        $fixture  = $docblock->getDescription();
+        $expected = 'Method which contains a modulo sign (%) in its description.';
+        $this->assertSame($expected, (string) $fixture);
+    }
 }