Minor improvements to testing framework

- Moved scripts into scripts folder
- Removed what have been relatively unhelpful assert printing

Makefile

@@ -42,9 +42,20 @@ size: $(OBJ)
 	$(SIZE) -t $^
 
 .SUFFIXES:
-test: test_format test_dirs test_files test_seek test_truncate \
-	test_entries test_interspersed test_alloc test_paths test_attrs \
-	test_move test_orphan test_corrupt
+test: \
+	test_format \
+	test_dirs \
+	test_files \
+	test_seek \
+	test_truncate \
+	test_entries \
+	test_interspersed \
+	test_alloc \
+	test_paths \
+	test_attrs \
+	test_move \
+	test_orphan \
+	test_corrupt
 	@rm test.c
 test_%: tests/test_%.sh