AssertEqualRunners fails t and shows a diff if a and b are not equal, as determined by RunnerCmpOptions.

DiffRunner returns a string showing the diff between x and y, as determined by RunnerCmpOptions.

EqualRunners returns true if x and y are equal, as determined by RunnerCmpOptions.

RequestCmpOptions is the cmp.Options used to compare *http.Request.

RunnerCmpOptions is the cmp.Options used to compare benchttp.Runner.