Makefile: Don't run tests in .package dirs

Author: addshore

Makefile

@@ -1,9 +1,9 @@
 .PHONY: test
 test:
 	@if command -v jag >/dev/null 2>&1; then \
-		find tests -type f \( -name '*_test.toit' -o -name '*.test.toit' \) -exec sh -c 'echo Running {} && jag run --device host {}' \; ; \
+		find tests -type d -name '.packages' -prune -o -type f \( -name '*_test.toit' -o -name '*.test.toit' \) -exec sh -c 'echo Running {} && jag run --device host {}' \; ; \
 	elif command -v toit.run >/dev/null 2>&1; then \
-		find tests -type f \( -name '*_test.toit' -o -name '*.test.toit' \) -exec sh -c 'echo Running {} && toit.run {}' \; ; \
+		find tests -type d -name '.packages' -prune -o -type f \( -name '*_test.toit' -o -name '*.test.toit' \) -exec sh -c 'echo Running {} && toit.run {}' \; ; \
 	else \
 		echo "Error: Neither 'jag' nor 'toit.run' found in PATH"; \
 		exit 1; \