static Result coerceUserList(
      final Collection<Expression> expressions,
      final ExpressionTypeManager typeManager
  ) {
    return coerceUserList(expressions, typeManager, Collections.emptyMap());
  }
@Test
  public void shouldNotCoerceStringExpressionToBoolean() {
    // Given:
    final ImmutableList<Expression> expressions = ImmutableList.of(
        new BooleanLiteral(true),
        STRING_EXPRESSION
    );

    // When:
    final Exception e = assertThrows(
        KsqlException.class,
        () -> CoercionUtil.coerceUserList(expressions, typeManager)
    );

    // Then:
    assertThat(e.getMessage(), startsWith("operator does not exist: BOOLEAN = STRING (STR)"));
  }