Running 'testthat.R' [12s]
Running the tests in 'tests/testthat.R' failed.
Complete output:
  > library(testthat)
  > library(padr)
  > 
  > test_check("padr")
  -- 1. Error: interval: month (@test_thicken_integration.R#67)  -----------------
  Invalid timezone of input vector: ""
  1: `month<-`(`*tmp*`, value = c(7, 7, 8, 9)) at testthat/test_thicken_integration.R:67
  2: `month<-`(`*tmp*`, value = c(7, 7, 8, 9))
  3: x + months(value - month(x))
  4: x + months(value - month(x))
  5: add_period_to_date(e2, e1)
  6: update(lt, days = mday(lt) + per@day, hours = hour(lt) + per@hour, minutes = minute(lt) + 
         per@minute, seconds = second(lt) + per@.Data)
  7: update.POSIXt(lt, days = mday(lt) + per@day, hours = hour(lt) + per@hour, minutes = minute(lt) + 
         per@minute, seconds = second(lt) + per@.Data)
  8: do.call(update_date_time, c(list(object, roll = roll, week_start = week_start), list(...)))
  9: (function (object, years = integer(), months = integer(), days = integer(), mdays = integer(), 
         ydays = integer(), wdays = integer(), hours = integer(), minutes = integer(), 
         seconds = double(), tzs = NULL, roll = FALSE, week_start = 7) 
     {
         if (!length(object)) 
             return(object)
         if (length(days) > 0) 
             mdays = days
         updates <- list(year = years, month = months, yday = ydays, mday = mdays, wday = wdays, 
             hour = hours, minute = minutes, second = seconds)
         maxlen <- max(unlist(lapply(updates, length)))
         if (maxlen > 1) {
             for (nm in names(updates)) {
                 len <- length(updates[[nm]])
                 if (len != maxlen && len > 1) 
                     updates[[nm]] <- rep_len(updates[[nm]], maxlen)
             }
         }
         if (is.null(tzs)) 
             tzs <- tz(object)
         updates[["dt"]] <- as.POSIXct(object)
         updates[["roll"]] <- roll
         updates[["tz"]] <- tzs
         updates[["week_start"]] <- week_start
         reclass_date(do.call(C_update_dt, updates), object)
     })(structure(list(sec = c(21, 48, 17, 11), min = c(11L, 46L, 25L, 45L), hour = c(9L, 
     9L, 13L, 10L), mday = c(7L, 7L, 9L, 10L), mon = c(6, 6, 7, 8), year = c(116L, 116L, 
     116L, 116L), wday = c(4L, 4L, 6L, 0L), yday = c(188L, 188L, 190L, 191L), isdst = c(1L, 
     1L, 1L, 1L), zone = c("CEST", "CEST", "CEST", "CEST"), gmtoff = c(7200L, 7200L, 7200L, 
     7200L)), .Names = c("sec", "min", "hour", "mday", "mon", "year", "wday", "yday", 
     "isdst", "zone", "gmtoff"), class = c("POSIXlt", "POSIXt"), tzone = c("", "CET", 
     "CEST")), roll = FALSE, week_start = 7, days = c(7, 7, 9, 10), hours = c(9, 9, 13, 
     10), minutes = c(11, 46, 25, 45), seconds = c(21, 48, 17, 11))
  10: reclass_date(do.call(C_update_dt, updates), object)
  11: reclass_date.POSIXlt(do.call(C_update_dt, updates), object)
  12: as.POSIXlt(new)
  13: do.call(C_update_dt, updates)
  14: (function (dt, year, month, yday, mday, wday, hour, minute, second, tz = NULL, roll = FALSE, 
         week_start = 7L) 
     {
         .Call(`_lubridate_C_update_dt`, dt, year, month, yday, mday, wday, hour, minute, 
             second, tz, roll, week_start)
     })(year = integer(0), month = integer(0), yday = integer(0), mday = c(7, 7, 9, 10
     ), wday = integer(0), hour = c(9, 9, 13, 10), minute = c(11, 46, 25, 45), second = c(21, 
     48, 17, 11), dt = structure(c(1467875481, 1467877608, 1470741917, 1473497111), class = c("POSIXct", 
     "POSIXt"), tzone = ""), roll = FALSE, tz = "", week_start = 7)
  
  == testthat results  ===========================================================
  OK: 572 SKIPPED: 0 FAILED: 1
  1. Error: interval: month (@test_thicken_integration.R#67) 
  
  Error: testthat unit tests failed
  Execution halted