split tests and set Kong EE as DP image

Signed-off-by: Mattia Lavacca <lavacca.mattia@gmail.com>

Author: mlavacca

test/helpers/defaults.go

@@ -33,6 +33,12 @@ func GetDefaultDataPlaneImage() string {
 	return _defaultDataPlaneImage
 }
 
+func GetDefaultDataPlaneEnterpriseImage() string {
+	_defaultDataPlaneImageLock.RLock()
+	defer _defaultDataPlaneImageLock.RUnlock()
+	return consts.DefaultDataPlaneEnterpriseImage
+}
+
 // SetDefaultDataPlaneImage sets the default data plane image.
 func SetDefaultDataPlaneImage(image string) {
 	_defaultDataPlaneImageLock.Lock()