Add note in README for running tests

ThomWright · ThomWright · commit 2a7c50a22ac0 · 2020-08-10T11:01:06.000+01:00
diff --git a/README.md b/README.md
@@ -250,4 +250,4 @@ pg.types.setTypeParser(DATATYPE_DATE, val => {
 
 ## Developing `postgres-migrations`
 
-The tests require Docker to be installed.
+The tests require Docker to be installed. It probably helps to `docker pull postgres:9.4`.

Original file line number	Diff line number	Diff line change
`@@ -250,4 +250,4 @@ pg.types.setTypeParser(DATATYPE_DATE, val => {`
`250`	`250`
`251`	`251`	## Developing `postgres-migrations`
`252`	`252`
`253`		`-The tests require Docker to be installed.`
	`253`	+The tests require Docker to be installed. It probably helps to `docker pull postgres:9.4`.