Add test cases for all forms of require/include

Author: sirbrillig

Tests/VariableAnalysisSniff/UnusedFollowedByRequireTest.php

@@ -13,6 +13,15 @@ public function testUnusedFollowedByRequireDefault() {
       2,
       3,
       4,
+      8,
+      9,
+      10,
+      14,
+      15,
+      16,
+      20,
+      21,
+      22,
     ];
     $this->assertEquals($expectedWarnings, $lines);
   }
@@ -29,6 +38,9 @@ public function testUnusedFollowedByRequireWhenSet() {
     $lines = $this->getWarningLineNumbersFromFile($phpcsFile);
     $expectedWarnings = [
       4,
+      10,
+      16,
+      22,
     ];
     $this->assertEquals($expectedWarnings, $lines);
   }

Tests/VariableAnalysisSniff/fixtures/UnusedFollowedByRequireFixture.php

@@ -1,6 +1,24 @@
 <?php
 function require_file_function($param) { // unused variable $param
+    $var = 'something'; // unused variable $var
+    activate_code($data); // undefined variable $data
+    require __DIR__ . '/views/my-view.php';
+}
+
+function require_once_file_function($param) { // unused variable $param
     $var = 'something'; // unused variable $var
     activate_code($data); // undefined variable $data
     require_once __DIR__ . '/views/my-view.php';
 }
+
+function include_file_function($param) { // unused variable $param
+    $var = 'something'; // unused variable $var
+    activate_code($data); // undefined variable $data
+    include __DIR__ . '/views/my-view.php';
+}
+
+function include_once_file_function($param) { // unused variable $param
+    $var = 'something'; // unused variable $var
+    activate_code($data); // undefined variable $data
+    include_once __DIR__ . '/views/my-view.php';
+}