func (a *Assertions) EqualErrorf(theError error, errString string, msg string, args ...interface{}) bool {
	if h, ok := a.t.(tHelper); ok {
		h.Helper()
	}
	return EqualErrorf(a.t, theError, errString, msg, args...)
}
EqualErrorf asserts that a function returned an error (i.e. not `nil`)
and that it is equal to the provided error.

actualObj, err := SomeFunction()
a.EqualErrorf(err,  expectedErrorString, "error message %s", "formatted")
package assert
import (
	http "net/http"
	url "net/url"
	time "time"
)
func (a *Assertions) Condition(comp Comparison, msgAndArgs ...interface{}) bool {
	if h, ok := a.t.(tHelper); ok {
		h.Helper()
	}
	return Condition(a.t, comp, msgAndArgs...)
}
func (a *Assertions) Conditionf(comp Comparison, msg string, args ...interface{}) bool {
	if h, ok := a.t.(tHelper); ok {
		h.Helper()
	}
	return Conditionf(a.t, comp, msg, args...)
}
func (a *Assertions) Contains(s interface{}, contains interface{}, msgAndArgs ...interface{}) bool {
	if h, ok := a.t.(tHelper); ok {
		h.Helper()
	}
	return Contains(a.t, s, contains, msgAndArgs...)
}
func (a *Assertions) Containsf(s interface{}, contains interface{}, msg string, args ...interface{}) bool {
	if h, ok := a.t.(tHelper); ok {
		h.Helper()
	}
	return Containsf(a.t, s, contains, msg, args...)
}
func (a *Assertions) DirExists(path string, msgAndArgs ...interface{}) bool {
	if h, ok := a.t.(tHelper); ok {
		h.Helper()
	}
	return DirExists(a.t, path, msgAndArgs...)
}
func (a *Assertions) DirExistsf(path string, msg string, args ...interface{}) bool {
	if h, ok := a.t.(tHelper); ok {
		h.Helper()
	}
	return DirExistsf(a.t, path, msg, args...)
}
func (a *Assertions) ElementsMatch(listA interface{}, listB interface{}, msgAndArgs ...interface{}) bool {
	if h, ok := a.t.(tHelper); ok {
		h.Helper()
	}
	return ElementsMatch(a.t, listA, listB, msgAndArgs...)
}
func (a *Assertions) ElementsMatchf(listA interface{}, listB interface{}, msg string, args ...interface{}) bool {
	if h, ok := a.t.(tHelper); ok {
		h.Helper()
	}
	return ElementsMatchf(a.t, listA, listB, msg, args...)
}
func (a *Assertions) Empty(object interface{}, msgAndArgs ...interface{}) bool {
	if h, ok := a.t.(tHelper); ok {
		h.Helper()
	}
	return Empty(a.t, object, msgAndArgs...)
}
func (a *Assertions) Emptyf(object interface{}, msg string, args ...interface{}) bool {
	if h, ok := a.t.(tHelper); ok {
		h.Helper()
	}
	return Emptyf(a.t, object, msg, args...)
}
func (a *Assertions) Equal(expected interface{}, actual interface{}, msgAndArgs ...interface{}) bool {
	if h, ok := a.t.(tHelper); ok {
		h.Helper()
	}
	return Equal(a.t, expected, actual, msgAndArgs...)
}
func (a *Assertions) EqualError(theError error, errString string, msgAndArgs ...interface{}) bool {
	if h, ok := a.t.(tHelper); ok {
		h.Helper()
	}
	return EqualError(a.t, theError, errString, msgAndArgs...)
}