foo
foo
foo
foo
foo
foo
foo

PASS Shorthand serialization with shorthand and longhands mixed. 
PASS Shorthand serialization with just longhands. 
FAIL Shorthand serialization with variable and variable from other shorthand. assert_equals: expected "var(--a)" but got ""
PASS Shorthand serialization after setting 
FAIL Shorthand serialization with 'initial' value. assert_equals: expected "margin: initial;" but got ""
PASS Shorthand serialization with 'initial' value, one longhand with important flag. 
PASS Shorthand serialization with 'initial' value, longhands set individually, one with important flag.