Equal returns true if want == got, otherwise marks the test as failed and returns false.

Error returns true if err != nil, otherwise marks the test as failed and returns false.

False returns true if x == false, otherwise marks the test as failed and returns false.

GreaterThan returns true if big > small, otherwise marks the test as failed and returns false.

GreaterThanOrEqual returns true if big >= small, otherwise marks the test as failed and returns false.

In returns true if element is in slice, otherwise marks the test as failed and returns false.

LessThan returns true if small < big, otherwise marks the test as failed and returns false.

LessThanOrEqual returns true if small <= big, otherwise marks the test as failed and returns false.

Nil returns true if err == nil, otherwise marks the test as failed and returns false.

NotEqual returns true if want != got, otherwise marks the test as failed and returns false.

NotIn returns true if element is not in slice, otherwise marks the test as failed and returns false.

True returns true if x == true, otherwise marks the test as failed and returns false.