[DT-1051] Remove flaky test (#1872)

* Remove test

* Add test back with disabled flag

* Use ignore flag instead

* Remove import

* Add a reason for ignoring test

Author: s-rubenstein

src/test/java/bio/terra/integration/AzureIntegrationTest.java

@@ -126,6 +126,7 @@
 import org.hamcrest.CoreMatchers;
 import org.junit.After;
 import org.junit.Before;
+import org.junit.Ignore;
 import org.junit.Test;
 import org.junit.experimental.categories.Category;
 import org.junit.runner.RunWith;
@@ -1673,6 +1674,7 @@ sourceFile, getSourceStorageAccountPrimarySharedKey()))
   }
 
   @Test
+  @Ignore("Ignoring due to flakiness and deprioritization of Azure")
   public void testDatasetFileRefValidation() throws Exception {
     DatasetSummaryModel summaryModel =
         dataRepoFixtures.createDataset(