Better test coverage

[rgerum]

Tests to do:

Text

• Text properties
• Text align
• Text distribute
• Text delete
• Text grid align
• Text font
• Text snapping

Axes

• Axes move
• Axes pos and width/height
• xlim/ylim
• xlabel/ylabel
• ticks
  • major
  • minor
  • scale: linear log
  • labelpad
• grid
• despine
• rectangle
• arrow
• annotation
• align
• distribute

Legend

• move
• properties
• delete

Figure

• figure size
• add image

Lines

• properties
• label

Pylustrator Load

• load script file
• load image
• load svg