Adding UT8 tests

tests/running.bats

@@ -19,3 +19,15 @@ load ../common
 @test "Creates user account with password" {
   docker exec -i $imagename mysql -u registry_user --password="WJzesbe3poNZ91qIbmR7" -h 127.0.0.1 -e 'show tables' registry
 }
+
+@test "UTF8 character set" {
+  docker exec -i $imagename mysql -u root -h 127.0.0.1 --password=123321 -e 'show variables' | grep char | grep utf8
+}
+
+@test "UTF8 collations" {
+  docker exec -i $imagename mysql -u root -h 127.0.0.1 --password=123321 -e 'show variables' | grep collation | grep utf8_bin
+}
+
+@test "UTF8 databases" {
+  docker exec -i $imagename mysql -u root -h 127.0.0.1 --password=123321 -e 'show create database registry' | grep "DEFAULT CHARACTER SET utf8 COLLATE utf8_bin"
+}