fix documentations

fixtures/completion/constant_with_namespace.php

@@ -9,7 +9,7 @@ namespace HELLO {
 
     }
 
-    \HE
+    \He
 }
 
 namespace {

src/Index/Index.php

@@ -117,7 +117,7 @@ class Index implements ReadableIndex, \Serializable
      * Registers a definition
      *
      * @param string $fqn The fully qualified name of the symbol
-     * @param string $definition The Definition object
+     * @param Definition $definition The Definition object
      * @return void
      */
     public function setDefinition(string $fqn, Definition $definition)

tests/Server/TextDocument/CompletionTest.php

@@ -237,7 +237,6 @@ class CompletionTest extends TestCase
             new Position(11, 7)
         )->wait();
 
-        var_dump($items);
         $this->assertEquals(new CompletionList([
             new CompletionItem(
                 'HELLO',