TEST( foo ) {
    Foo one;
    Foo two;

    // init one & two
    // lots of CHECK_CLOSE(one.bar, two.bar, 1e-5); in repeating cycles
}

TEST( bar ) {
    Foo one;
    Foo two;

    // init one & two
    // lots of CHECK_CLOSE(one.bar, two.bar, 1e-5); in repeating cycles
}

void blah( const Foo& one, const Foo& two ) {
    // lots of CHECK_CLOSE(one.bar, two.bar, 1e-5);
}

TEST( foo ) {
    Foo one;
    Foo two;

    // init one & two
    blah(one, two);
}

TEST( bar ) {
    Foo one;
    Foo two;

    // init one & two
    blah(one, two);
}