Fix testRepositoryAnalysis (elastic#69538)

This test would occasionally generate an invalid request in which the
max total data size cannot be satisfied. This commit ensures the max
total data size is always sufficiently large.

Relates elastic#67247
Closes elastic#69219

Author: DaveCTurner

x-pack/plugin/snapshot-repo-test-kit/src/internalClusterTest/java/org/elasticsearch/repositories/blobstore/testkit/RepositoryAnalysisSuccessIT.java

@@ -73,7 +73,6 @@ protected Collection<Class<? extends Plugin>> nodePlugins() {
         );
     }
 
-    @AwaitsFix(bugUrl = "https://github.com/elastic/elasticsearch/issues/69219")
     public void testRepositoryAnalysis() {
 
         createRepositoryNoVerify("test-repo", TestPlugin.ASSERTING_REPO_TYPE);
@@ -106,7 +105,9 @@ public void testRepositoryAnalysis() {
         }
 
         if (usually()) {
-            request.maxTotalDataSize(new ByteSizeValue(between(1, 1 << 20)));
+            request.maxTotalDataSize(
+                new ByteSizeValue(request.getMaxBlobSize().getBytes() + request.getBlobCount() - 1 + between(0, 1 << 20))
+            );
             blobStore.ensureMaxTotalBlobSize(request.getMaxTotalDataSize().getBytes());
         }