Adds a check for stdout match as well as a check for exit code 0, if there is not already an expected termination check.
pub fn expectStdOutMatch(run: *Run, bytes: []const u8) void
pub fn expectStdOutMatch(run: *Run, bytes: []const u8) void {
const graph = run.step.owner.graph;
run.addCheck(.{ .expect_stdout_match = graph.dupeString(bytes) });
if (!run.hasTermCheck()) run.expectExitCode(0);
}