N°2651 rollback gitignore for lib tests dirs

Too dangerous ! We'll work properly on this but for 2.8

lib/nikic/php-parser/test/code/parser/stmt/class/conditional.test

@@ -0,0 +1,33 @@
+Conditional class definition
+-----
+<?php
+
+if (true) {
+    class A {}
+}
+-----
+array(
+    0: Stmt_If(
+        cond: Expr_ConstFetch(
+            name: Name(
+                parts: array(
+                    0: true
+                )
+            )
+        )
+        stmts: array(
+            0: Stmt_Class(
+                flags: 0
+                name: A
+                extends: null
+                implements: array(
+                )
+                stmts: array(
+                )
+            )
+        )
+        elseifs: array(
+        )
+        else: null
+    )
+)