FIX:Ec2:Added:Tags for EIP (#3505)

* FIX:Ec2:Added:Tags for EIP

* removed files

* Fix tests

moto/ec2/models.py

@@ -226,7 +226,9 @@ class StateReason(object):
 
 class TaggedEC2Resource(BaseModel):
     def get_tags(self, *args, **kwargs):
-        tags = self.ec2_backend.describe_tags(filters={"resource-id": [self.id]})
+        tags = []
+        if self.id:
+            tags = self.ec2_backend.describe_tags(filters={"resource-id": [self.id]})
         return tags
 
     def add_tag(self, key, value):

moto/ec2/responses/elastic_ip_addresses.py

@@ -151,6 +151,16 @@ DESCRIBE_ADDRESS_RESPONSE = """<DescribeAddressesResponse xmlns="http://ec2.amaz
           {% if address.association_id %}
             <associationId>{{ address.association_id }}</associationId>
           {% endif %}
+          <tagSet>
+            {% for tag in address.get_tags() %}
+              <item>
+                <resourceId>{{ tag.resource_id }}</resourceId>
+                <resourceType>{{ tag.resource_type }}</resourceType>
+                <key>{{ tag.key }}</key>
+                <value>{{ tag.value }}</value>
+              </item>
+            {% endfor %}
+          </tagSet>
         </item>
     {% endfor %}
   </addressesSet>