TEST(QueryProjectionTest, InvalidElemMatchExprProjection) {
    assertInvalidFindProjection("{}", "{a: {$elemMatch: {$expr: 5}}}", ErrorCodes::BadValue);
}
TEST(QueryProjectionTest, InvalidElemMatchExprProjection) {
    assertInvalidFindProjection("{}", "{a: {$elemMatch: {$expr: 5}}}", ErrorCodes::BadValue);
}