copy("src", "out")
run("""
    coverage -e -x xxx
    coverage -r
    """, rundir="out", outfile="stdout.txt")
contains("out/stdout.txt",
        "xxx: 3 4 0 7",
        "\nxxx ",           # The reporting line for xxx
        " 7      6    85%"  # The reporting data for xxx
        )
doesnt_contain("out/stdout.txt", "No such file or directory")
clean("out")