Merge pull request #186 from torounit/feature/install-wp-test-support-beta-rc

In the case of RC and Beta, use Branch for WP_TEST_TAG.

Author: schlessera

templates/install-wp-tests.sh

@@ -25,7 +25,11 @@ download() {
     fi
 }
 
-if [[ $WP_VERSION =~ ^[0-9]+\.[0-9]+$ ]]; then
+if [[ $WP_VERSION =~ ^[0-9]+\.[0-9]+\-(beta|RC)[0-9]+$ ]]; then
+	WP_BRANCH=${WP_VERSION%\-*}
+	WP_TESTS_TAG="branches/$WP_BRANCH"
+
+elif [[ $WP_VERSION =~ ^[0-9]+\.[0-9]+$ ]]; then
 	WP_TESTS_TAG="branches/$WP_VERSION"
 elif [[ $WP_VERSION =~ [0-9]+\.[0-9]+\.[0-9]+ ]]; then
 	if [[ $WP_VERSION =~ [0-9]+\.[0-9]+\.[0] ]]; then
@@ -47,7 +51,6 @@ else
 	fi
 	WP_TESTS_TAG="tags/$LATEST_VERSION"
 fi
-
 set -ex
 
 install_wp() {