Add test for partial constructor application

Author: thekid

src/test/php/lang/ast/unittest/emit/EmulatePipelinesTest.class.php

@@ -63,6 +63,14 @@ public function to_partial_function_application() {
     );
   }
 
+  #[Test]
+  public function to_partial_constructor_application() {
+    Assert::equals(
+      'new \\util\\Date("2025-07-12",$timezone);',
+      $this->emit('"2025-07-12" |> new \\util\\Date(?, $timezone);')
+    );
+  }
+
   #[Test]
   public function chained() {
     Assert::equals(