Test

Allow indirect tables to have default actions declared const in P4 #306

Job	Run time
Check whether tests need to be run based on diff	13s
test-no-pi	15m 0s
test (g++, gcc)	18m 28s
test-ubuntu22	15m 39s
test (clang++-8, clang-8)	13m 46s
test (clang++-10, clang-10)	14m 32s
	1h 17m 38s

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