Chain up multiple VS Code tasks (Build, Test) in tasks.json.

multiple_tasks.json

{
    "version": "2.0.0",
    "tasks":
    [
        {
            "taskName": "Build",
            "isBuildCommand": true,
            "command": "/Applications/Unity/Unity.app/Contents/MonoBleedingEdge/bin/xbuild",
            "args":
            [
                "Project.sln",
                "/property:GenerateFullPaths=true"
            ],
            "showOutput": "silent",
            "problemMatcher": "$msCompile"
        },
        {
            "taskName": "Build EPPZ.Extensions.Test",
            "command": "/Applications/Unity/Unity.app/Contents/MonoBleedingEdge/bin/xbuild",
            "args":
            [
                "Assets/Plugins/eppz!/Extensions/Test.csproj",
                "/property:Configuration=Local",
                "/property:GenerateFullPaths=true"
            ],
            "showOutput": "always",
            "problemMatcher": "$msCompile"
        },
        {
            "taskName": "Test EPPZ.Extensions.Test",
            "isShellCommand": true,
            "command": "mono",
            "dependsOn": [ "Build EPPZ.Extensions.Test" ],
            "args":
            [
                "/Users/eppz/Projects/Unity/Packages/NUnit/NUnit.ConsoleRunner.3.6.1/tools/nunit3-console.exe",
                "bin/EPPZ.Extensions.Test.dll",
                "--labels=All",
                "--result=EPPZ.Extensions.Test.Result.xml"
            ],
            "showOutput": "always"
        },
        {
            "taskName": "Test",
            "isShellCommand": true,
            "isTestCommand": true,
            "command": "echo",
            "args": ["All done."],
            "dependsOn": [ "Test (EPPZ.Extensions.Test)" ],
            "showOutput": "always"
        }
    ]
}