Do not run figure tests

Author: Cadair

sunpy_tst.ini

@@ -3,7 +3,7 @@ testpaths = "sunpy" "docs"
 norecursedirs = ".tox" "build" "docs[\/]_build" "docs[\/]generated" "*.egg-info" "examples" "sunpy[/\]_dev" ".jupyter" ".history" "tools" "sunpy[\/]extern" "benchmarks"
 doctest_plus = enabled
 doctest_optionflags = NORMALIZE_WHITESPACE FLOAT_CMP ELLIPSIS
-addopts = --dist no --arraydiff --doctest-rst --doctest-ignore-import-errors -p no:unraisableexception -p no:threadexception
+addopts = --dist no --arraydiff --doctest-rst --doctest-ignore-import-errors -p no:unraisableexception -p no:threadexception -m "not mpl_image_compare"
 asdf_schema_tests_enabled = true
 asdf_schema_root = sunpy/io/special/asdf/resources/
 mpl-results-path = figure_test_images