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/blockComments.test

@@ -0,0 +1,31 @@
+Comments on blocks
+-----
+<?php
+
+// foo
+{
+    // bar
+    {
+        // baz
+        $a;
+    }
+}
+
+// empty
+{}
+-----
+array(
+    0: Expr_Variable(
+        name: a
+        comments: array(
+            0: // foo
+            1: // bar
+            2: // baz
+        )
+    )
+    1: Stmt_Nop(
+        comments: array(
+            0: // empty
+        )
+    )
+)