Contains expects s to contain substr.

Equal compares two values for equality.

Error expects err to not be nil.

False expects value to be false.

Nil expects value to be nil.

NoError expects err to be nil.

NotContains expects s not to contain substr.

NotNil expects value to not be nil.

NotPanics expects no panic when f is called.

Panics expects f to panic when called.

True expects value to be true.