update makefile rule for unit tests

JacksonBurns · rwest · commit 2253a59db2e5 · 2023-08-02T20:03:56.000-04:00
see ReactionMechanismGenerator#2504 (comment)
diff --git a/Makefile b/Makefile
@@ -62,7 +62,7 @@ test-all:
 	python-jl -m pytest
 
 test test-unittests:
-	python-jl -m pytest -m "not functional not database"
+	python-jl -m pytest -m "not functional and not database"
 
 test-functional:
 	python-jl -m pytest -m "functional"
