medium-de-shallow.ps1

function Assert-ArrayEquality($test, $expected) {
    $test | Should -HaveCount $expected.Count
    0..($test.Count - 1) | % {$test[$_] | Should -Be $expected[$_]}
}

function Assert-HashtableEquality($test, $expected) {
    $test.Keys | Should -HaveCount $expected.Keys.Count
    $test.Keys | % {$test[$_] | Should -Be $expected[$_]}
}

function Assert-ObjectEquality($test, $expected) {
    $testKeys = $test.psobject.Properties | % Name
    $expectedKeys = $expected.psobject.Properties | % Name
    $testKeys | Should -HaveCount $expectedKeys.Count
    $testKeys | % {$test.$_ | Should -Be $expected.$_}
}

Hi, thank you for sharing the code !
I think line 13 should be "$expectedKeys = $expected.psobject.Properties | % Name" if I am not wrong ?

Thanks it's been updated