func DirExistsf(t TestingT, path string, msg string, args ...interface{}) bool {
	return DirExists(t, path, append([]interface{}{msg}, args...)...)
}
DirExistsf checks whether a directory exists in the given path. It also fails if the path is a file rather a directory or there is an error checking whether it exists.
package assert
import (
	http "net/http"
	url "net/url"
	time "time"
)
func Conditionf(t TestingT, comp Comparison, msg string, args ...interface{}) bool {
	return Condition(t, comp, append([]interface{}{msg}, args...)...)
}
func Containsf(t TestingT, s interface{}, contains interface{}, msg string, args ...interface{}) bool {
	return Contains(t, s, contains, append([]interface{}{msg}, args...)...)
}