+test_begin_subtest "Round trip arbitrary key"
+key=g${RANDOM}.m${RANDOM}
+value=${RANDOM}
+notmuch config set ${key} ${value}
+output=$(notmuch config get ${key})
+test_expect_equal "${output}" "${value}"
+
+test_begin_subtest "Clear arbitrary key"
+notmuch config set ${key}
+output=$(notmuch config get ${key})
+test_expect_equal "${output}" ""
+
+db_path=${HOME}/database-path
+