added/fixed version of image issue

Author: soelvar

src/main/java/xyz/fabiano/spring/localstack/annotation/SpringLocalstackProperties.java

@@ -26,4 +26,6 @@
     String[] extraOptions() default {};
 
     String region() default "us-east-1";
+
+    String version() default "latest";
 }

src/main/java/xyz/fabiano/spring/localstack/junit/SpringLocalstackDockerRunner.java

@@ -34,6 +34,7 @@ public void run(RunNotifier notifier) {
             builder.pullingNewImages(p.pullNewImage());
             builder.withOptions(options(p));
             builder.withRegion(p.region());
+            builder.withVersion(p.version());
         });
 
         LocalstackDocker docker = builder.build();

src/main/java/xyz/fabiano/spring/localstack/legacy/command/PullCommand.java

@@ -5,7 +5,6 @@
 public class PullCommand extends Command {
 
     private static final int PULL_COMMAND_TIMEOUT_MINUTES = 10;
-    private static final String LATEST_TAG = "latest";
 
     private final String imageName;
 
@@ -15,7 +14,6 @@ public PullCommand(String imageName) {
 
 
     public void execute() {
-        String image = String.format("%s:%s", imageName, LATEST_TAG);
-        dockerExe.execute(Arrays.asList("pull", image), PULL_COMMAND_TIMEOUT_MINUTES);
+        dockerExe.execute(Arrays.asList("pull", imageName), PULL_COMMAND_TIMEOUT_MINUTES);
     }
 }

src/test/java/xyz/fabiano/spring/localstack/junit/SpringLocalstackDockerRunnerTest.java

@@ -40,7 +40,7 @@
 import static xyz.fabiano.spring.localstack.LocalstackService.*;
 
 @RunWith(SpringLocalstackDockerRunner.class)
-@SpringLocalstackProperties(services = {DYNAMO, SQS, KINESIS, S3})
+@SpringLocalstackProperties(services = {DYNAMO, SQS, KINESIS, S3}, version = "0.9.1", pullNewImage = true)
 @ContextConfiguration(classes = SpringTestContext.class)
 public class SpringLocalstackDockerRunnerTest {