--TEST--
A partial update for a new package yet to be installed should remove another dependency it replaces if that allows installation.
--COMPOSER--
{
    "repositories": [
        {
            "type": "package",
            "package": [
                { "name": "current/pkg", "version": "1.0.0", "require": { "current/dep": "*" } },
                { "name": "current/dep", "version": "1.0.0" },
                { "name": "new/pkg", "version": "1.0.0", "replace": { "current/dep": "1.0.0" } }
            ]
        }
    ],
    "require": {
        "current/pkg": "1.*",
        "new/pkg": "1.*"
    }
}
--INSTALLED--
[
    { "name": "current/pkg", "version": "1.0.0", "require": { "current/dep": "*" } },
    { "name": "current/dep", "version": "1.0.0" }
]
--LOCK--
{
    "packages": [
        { "name": "current/pkg", "version": "1.0.0", "require": { "current/dep": "*" } },
        { "name": "current/dep", "version": "1.0.0" }
    ],
    "packages-dev": [],
    "aliases": [],
    "minimum-stability": "dev",
    "stability-flags": [],
    "prefer-stable": false,
    "prefer-lowest": false,
    "platform": [],
    "platform-dev": []
}
--RUN--
update new/pkg
--EXPECT--
Removing current/dep (1.0.0)
Installing new/pkg (1.0.0)