[BUG] Tutorial Code Snippet doesn't work without user modifications

[Realife-Brahmin]

Describe the bug
The very first code snippet in Getting Started (Quick Start Guide) doesn't work without the user having to specify/work-from the package directory.

Minimum Viable Example
Running this:

using PowerModelsDistribution
using Ipopt

solve_mc_opf("case3_unbalanced.dss", ACPUPowerModel, Ipopt.Optimizer) 
# a preface to the snippet says that the case file is in ./test/data/, 
# but even that should be (if a user has to specify the exact address) ./test/data/opendss/

Case file cannot be found.

Expected behavior
The case file should be detected by the command solve_mc_opf (and then solved)

System Information (please complete the following information):

• OS: Windows 11
• Version: PowerModelsDistribution v0.15.1, Ipopt v1.5.1

Additional context
As a first time user, I'd like to be able to run the very first tutorial code snippet seamlessly.

[Realife-Brahmin]

Here's an MWE of a working code snippet for the same example.

using PowerModelsDistribution
using Ipopt

pkgdir = dirname(dirname(pathof(PowerModelsDistribution)));
casefolder = joinpath(pkgdir, "test", "data", "opendss");
casename = "case3_unbalanced.dss";
casefile = joinpath(casefolder, casename);
solve_mc_opf(casefile, ACPUPowerModel, Ipopt.Optimizer);

[stale]

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