add unreachable statement test on UnnecessaryTernaryExpressionRector

Author: samsonasik

rules-tests/CodeQuality/Rector/Ternary/UnnecessaryTernaryExpressionRector/Fixture/fixture_unreachable.php.inc

@@ -0,0 +1,55 @@
+<?php
+
+if (true) {
+    return;
+}
+
+echo 'test';
+
+class A
+{
+    public function run($order, $oldOrder)
+    {
+        return $order || $oldOrder ? true : false;
+    }
+}
+
+$order || $oldOrder ? true : false;
+
+class B
+{
+    public function run($order, $oldOrder)
+    {
+        return $order || $oldOrder ? true : false;
+    }
+}
+
+?>
+-----
+<?php
+
+if (true) {
+    return;
+}
+
+echo 'test';
+
+class A
+{
+    public function run($order, $oldOrder)
+    {
+        return $order || $oldOrder;
+    }
+}
+
+$order || $oldOrder;
+
+class B
+{
+    public function run($order, $oldOrder)
+    {
+        return $order || $oldOrder;
+    }
+}
+
+?>