[skip-changelog] Migrate tests from `test_compile_part_1.py` to `compile_part_1_test.go`

[MatteoPologruto]

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Please check if the PR fulfills these requirements

• [x] The PR has no duplicates (please search among the Pull Requests before creating one)
• [x] The PR follows our contributing guidelines
• [ ] Tests for the changes have been added (for bug fixes / features)
• [ ] Docs have been added / updated (for bug fixes / features)
• [ ] UPGRADING.md has been updated with a migration guide (for breaking changes)

What kind of change does this PR introduce?

Infrastructure Enhancement

What is the new behavior?

This PR is a followup to PR #1806 Integration tests that were previously present in test_compile_part_1.py have been rewritten in compile_part_1_test.go, without changing their original purpose. The tests are the following:

• TestCompileWithoutFqbn
• TestCompileErrorMessage
• TestCompileWithSimpleSketch
• TestOutputFlagDefaultPath
• TestCompileWithSketchWithSymlinkSelfloop
• TestCompileBlacklistedSketchname
• TestCompileWithoutPrecompiledLibraries
• TestCompileWithBuildPropertiesFlag
• TestCompileWithBuildPropertyContainingQuotes
• TestCompileWithMultipleBuildPropertyFlags

Does this PR introduce a breaking change, and is titled accordingly?

No

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[codecov[bot]]

Codecov Report

Base: 36.58% // Head: 36.60% // Increases project coverage by +0.02% :tada:

Coverage data is based on head (356e5d9) compared to base (5730e2e). Patch coverage: 100.00% of modified lines in pull request are covered.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1861      +/-   ##
==========================================
+ Coverage   36.58%   36.60%   +0.02%     
==========================================
  Files         231      231              
  Lines       19696    19698       +2     
==========================================
+ Hits         7206     7211       +5     
+ Misses      11659    11657       -2     
+ Partials      831      830       -1     

Flag	Coverage Δ
unit	36.60% <100.00%> (+0.02%)	:arrow_up:

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
internal/integrationtest/arduino-cli.go	85.45% <100.00%> (+0.10%)	:arrow_up:
arduino/cores/packagemanager/package_manager.go	66.58% <0.00%> (+0.75%)	:arrow_up:

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[MatteoPologruto]

Tests have been updated. They are now using the copy sketch function when necessary.