RFR(T): 8220313: [TESTBUG] Update base image for Docker testing to OL 7.6

[mikhailo.seledtsov at oracle.com]

On 3/7/19 4:53 PM, mikhailo.seledtsov at oracle.com wrote:
> Please review this trivial change:
>
> --- a/test/hotspot/jtreg/runtime/containers/docker/Dockerfile-BasicTest
> +++ b/test/hotspot/jtreg/runtime/containers/docker/Dockerfile-BasicTest
> @@ -1,4 +1,4 @@
> -FROM oraclelinux:7.2
> +FROM oraclelinux:7.6
>
> diff --git 
> a/test/jdk/jdk/internal/platform/docker/Dockerfile-BasicTest 
> b/test/jdk/jdk/internal/platform/docker/Dockerfile-BasicTest
> --- a/test/jdk/jdk/internal/platform/docker/Dockerfile-BasicTest
> +++ b/test/jdk/jdk/internal/platform/docker/Dockerfile-BasicTest
> @@ -1,4 +1,4 @@
> -FROM oraclelinux:7.2
> +FROM oraclelinux:7.6
>
>
> Testing: ran both sets of tests: 
> test/hotspot/jtreg/runtime/containers/docker/ AND 
> test/jdk/jdk/internal/platform/docker/
> All PASS
>
>
> Thank you,
>
> Misha
>