This is a bash script #521

Rafa de la Torre · Rafa de la Torre · commit 6eeb949583b8 · 2018-07-19T18:40:31.000+02:00
And using sh can make some things fail. E.g:

```
[[: not found
```
diff --git a/test/run_tests.sh b/test/run_tests.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 # To make output dates deterministic
 export TZ='Europe/Rome'

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-#!/bin/sh`
	`1`	`+#!/bin/bash`
`2`	`2`
`3`	`3`	`# To make output dates deterministic`
`4`	`4`	`export TZ='Europe/Rome'`