Test/plot tests

[jcharkow]

Description

Add tests for plotting. Also add snapshots for Bokeh and Plotly plots

Type of change

Test

Please delete options that are not relevant.

• [ ] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
• [X ] This change requires a documentation update

Test Configuration:

• Firmware version: Ubuntu
• Hardware: Dell XPS

Checklist:

• [ ] My code follows the style guidelines of this project
• [X ] I have performed a self-review of my code
• [X ] I have commented my code, particularly in hard-to-understand areas
• [X ] I have made corresponding changes to the documentation
• [X ] My changes generate no new warnings
• [X ] I have added tests that prove my fix is effective or that my feature works
• [X ] New and existing unit tests pass locally with my changes
• [ X] Any dependent changes have been merged and published in downstream modules

  Contents (#119)

Other

• test: clean up imports update API docs
• update plotly snapshot
• check approximate equality with floats
• fix ployly snapshot test?
• update bokeh snapshot
• make plotly snapshot more leniant
• relax numerical inaccuracy more
• remove surface plot im vs m/z test from win32
• gui inconsitencies
• test: update sigma
• update readme for testing

Uncategorised!

• [FEATURE] add BokehSnapShot
• [FIX][TEST] bugs in bokeh json snapshot comparisons
• [TEST] InteractivePlotter1D tests
• [TEST] add test for plot function
• move rgb_to_hex() function to util
• code lint
• [TEST] create ionMobility Feature DF for testing
• [TEST][FIX] update InteractivePlotter test
• [TEST] interactive2D plotter test
• [TEST] remove unused code
• [TEST] add tests for 3D plotter
• [TEST] add tests for plotConfig
• add file headers to test files
• Merge branch 'dev' into test/plot_tests
• Merge branch 'dev' into test/plot_tests