HADOOP-17535. ABFS: ITestAzureBlobFileSystemCheckAccess test failure if no oauth key. (#2920)

Contributed by Steve Loughran.

Change-Id: I165f5ed3a8486404403827b5c0338cf7f80c2bb1

hadoop-tools/hadoop-azure/src/test/java/org/apache/hadoop/fs/azurebfs/ITestAzureBlobFileSystemCheckAccess.java

@@ -22,7 +22,6 @@ import java.io.IOException;
 import java.lang.reflect.Field;
 import java.util.List;
 
-import org.apache.hadoop.thirdparty.com.google.common.base.Preconditions;
 import org.apache.hadoop.thirdparty.com.google.common.collect.Lists;
 import org.junit.Assume;
 import org.junit.Test;
@@ -316,8 +315,8 @@ public class ITestAzureBlobFileSystemCheckAccess
   private void checkIfConfigIsSet(String configKey){
     AbfsConfiguration conf = getConfiguration();
     String value = conf.get(configKey);
-    Preconditions.checkArgument((value != null && value.trim().length() > 1),
-        configKey + " config is mandatory for the test to run");
+    Assume.assumeTrue(configKey + " config is mandatory for the test to run",
+        value != null && value.trim().length() > 1);
   }
 
   private void assertAccessible(Path testFilePath, FsAction fsAction)