Migrate Figure.plot tests to dvc

[michaelgrund]

Description of proposed changes

Changing the tests in test_plot.py to use dvc and mpl_image_compare (see #1131). Still WIP.

Reminders

• Run make format and make check to make sure the code follows the style guide.
• Add tests for new features or tests that would have caught the bug that you're fixing.
• Add new public functions/methods/classes to doc/api/index.rst.
• Write detailed docstrings for all functions/methods.
• If adding new functionality, add an example to docstrings or tutorials.

Slash Commands

You can write slash commands (/command) in the first line of a comment to perform
specific operations. Supported slash commands are:

• /format: automatically format and lint the code
• /test-gmt-dev: run full tests on the latest GMT development version

[github-actions]

Summary of changed images

This is an auto-generated report of images that have changed on the DVC remote

Status	Path
added	pygmt/tests/baseline/test_plot_colors.png
added	pygmt/tests/baseline/test_plot_colors_sizes.png
added	pygmt/tests/baseline/test_plot_colors_sizes_proj.png
added	pygmt/tests/baseline/test_plot_datetime.png
added	pygmt/tests/baseline/test_plot_from_file.png
added	pygmt/tests/baseline/test_plot_lines_with_arrows.png
added	pygmt/tests/baseline/test_plot_matrix.png
added	pygmt/tests/baseline/test_plot_matrix_color.png
added	pygmt/tests/baseline/test_plot_projection.png
added	pygmt/tests/baseline/test_plot_red_circles.png
added	pygmt/tests/baseline/test_plot_scalar_xy.png
added	pygmt/tests/baseline/test_plot_sizes.png
added	pygmt/tests/baseline/test_plot_sizes_colors_transparencies.png
added	pygmt/tests/baseline/test_plot_transparency.png
added	pygmt/tests/baseline/test_plot_varying_transparency.png
added	pygmt/tests/baseline/test_plot_vectors.png
modified	pygmt/tests/baseline/test_plot_varying_intensity.png

Image diff(s)

• pygmt/tests/baseline/test_plot_colors.png

• pygmt/tests/baseline/test_plot_colors_sizes.png

• pygmt/tests/baseline/test_plot_colors_sizes_proj.png

• pygmt/tests/baseline/test_plot_datetime.png

• pygmt/tests/baseline/test_plot_from_file.png

• pygmt/tests/baseline/test_plot_lines_with_arrows.png

• pygmt/tests/baseline/test_plot_matrix.png

• pygmt/tests/baseline/test_plot_matrix_color.png

• pygmt/tests/baseline/test_plot_projection.png

• pygmt/tests/baseline/test_plot_red_circles.png

• pygmt/tests/baseline/test_plot_scalar_xy.png

• pygmt/tests/baseline/test_plot_sizes.png

• pygmt/tests/baseline/test_plot_sizes_colors_transparencies.png

• pygmt/tests/baseline/test_plot_transparency.png

• pygmt/tests/baseline/test_plot_varying_transparency.png

• pygmt/tests/baseline/test_plot_vectors.png

• pygmt/tests/baseline/test_plot_varying_intensity.png

Report last updated at commit 7f2c0ff

[seisman]

@michaelgrund This PR looks good. Could you please remove the blank lines between fig = Figure() and fig.plot in some tests (for example, in test_plot_projection)?

[michaelgrund]

@michaelgrund This PR looks good. Could you please remove the blank lines between fig = Figure() and fig.plot in some tests (for example, in test_plot_projection)?

Done!