InstalledArrayRepository example

public function testValidateRequirements(?string $coreComposerName, array $composerOverrides, array $requires, array $expectedChecks): void
    {
        $systemEnvironment = new PlatformRepository([], $composerOverrides);

        $corePackage = new RootPackage($coreComposerName ?? 'shopware/platform', '1.0.0', '1.0.0');
        $corePackage->setRequires($requires);

        $repoManagerMock = $this->createMock(RepositoryManager::class);

        if ($coreComposerName) {
            $repoManagerMock->method('getLocalRepository')->willReturn(
                new InstalledArrayRepository([$corePackage])
            );
        } else {
            $repoManagerMock->method('getLocalRepository')->willReturn(new InstalledArrayRepository());
        }

        $composer = $this->createMock(Composer::class);
        $composer->method('getRepositoryManager')->willReturn($repoManagerMock);

        if ($coreComposerName) {
            $composer->expects(static::never())->method('getPackage');
        } else {