Work around testFilterByTags failure (#125109)

A SDK bug[^1] means that these values sometimes don't parse as an
integer. We don't need them to do so in order to pass the test, so this
commit relaxes the test to accept any string.

Closes #125090 Closes #125166

[^1]: aws/aws-sdk-java-v2#5968

Author: DaveCTurner

muted-tests.yml

@@ -402,9 +402,6 @@ tests:
 - class: org.elasticsearch.xpack.ilm.DataStreamAndIndexLifecycleMixingTests
   method: testGetDataStreamResponse
   issue: https://github.com/elastic/elasticsearch/issues/125083
-- class: org.elasticsearch.discovery.ec2.Ec2DiscoveryTests
-  method: testFilterByTags
-  issue: https://github.com/elastic/elasticsearch/issues/125090
 - class: org.elasticsearch.threadpool.ScalingThreadPoolTests
   method: testScalingThreadPoolConfiguration
   issue: https://github.com/elastic/elasticsearch/issues/125142

plugins/discovery-ec2/src/test/java/org/elasticsearch/discovery/ec2/Ec2DiscoveryTests.java

@@ -103,7 +103,8 @@ protected List<TransportAddress> buildDynamicHosts(Settings nodeSettings, int no
                         final String[] params = request.split("&");
                         Arrays.stream(params).filter(entry -> entry.startsWith("Filter.") && entry.contains("=tag%3A")).forEach(entry -> {
                             final int startIndex = "Filter.".length();
-                            final int filterId = Integer.parseInt(entry.substring(startIndex, entry.indexOf(".", startIndex)));
+                            // TODO ensure the filterId is an ASCII int when https://github.com/aws/aws-sdk-java-v2/issues/5968 fixed
+                            final var filterId = entry.substring(startIndex, entry.indexOf(".", startIndex));
                             tagsIncluded.put(
                                 entry.substring(entry.indexOf("=tag%3A") + "=tag%3A".length()),
                                 Arrays.stream(params)