new WildcardSubtypingTests().testAllDeclarations();
  }

  /**
   * This test reproduces the bug in canonicalizeWildcardType() when the type variable is
   * recursively bounded.
   */
  public void testRecursiveWildcardSubtypeBug() throws Exception {
    Exception e =
        assertThrows(
            Exception.class, () -> new RecursiveTypeBoundBugExample<>().testAllDeclarations());