Update travis ci

test.sh

@@ -0,0 +1,27 @@
+#!/usr/bin/env bash
+set -uo pipefail
+
+function out() {
+    printf "\n\e[1;37;497;m%s\e[0;m\n" "$@"
+} >&2
+
+function err() {
+    printf "\n\e[1;37;41;m%s\e[0;m\n\n" "$@"
+} >&2
+
+retval=0
+cd "$(dirname "${BASH_SOURCE}")"
+for file in test/*.test.sh; do
+    out "Running $file"
+    if grep -E "^[[:blank:]]*BACH_TESTS=.+" "$file"; then
+        err "Found defination of BACH_TESTS in $file"
+        retval=1
+    fi
+    bash "$file" || retval=1
+done
+
+if [[ "$retval" -ne 0 ]]; then
+    err "Test failed!"
+fi
+
+exit "$retval"