test

Refactoring to extract Lrama::Grammar::Symbols #1108

Job	Run time
steep-check (head)	13s
test-memory (head)	26s
check-misc (head)	9s
test-ruby (head, master)	5m 22s
test-ruby (3.0, master)	6m 24s
test-windows (head)	1m 55s
test-ruby (2.7, master)	5m 25s
ruby-versions / Generate Ruby versions	2s
test (2.5)	26s
test (2.6)	25s
test (2.7)	25s
test (3.0)	15s
test (3.1)	11s
test (3.2)	9s
test (3.3)	9s
test (head)	13s
	22m 9s

Provide feedback