[ABFS] All tests of. ITestAzureBlobFileSystemAuthorization fails with NPE

When below config set to true all of the tests fails else it skips.

<property>

    <name>fs.azure.test.namespace.enabled</name>

    <value>true</value>

</property>

[*ERROR*] testOpenFileAuthorized(org.apache.hadoop.fs.azurebfs.ITestAzureBlobFileSystemAuthorization)  Time elapsed: 0.064 s  <<< ERROR!

java.lang.NullPointerException

at org.apache.hadoop.fs.azurebfs.ITestAzureBlobFileSystemAuthorization.runTest(ITestAzureBlobFileSystemAuthorization.java:273)

at org.apache.hadoop.fs.azurebfs.ITestAzureBlobFileSystemAuthorization.testOpenFileAuthorized(ITestAzureBlobFileSystemAuthorization.java:132)

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

at java.lang.reflect.Method.invoke(Method.java:498)

at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:59)

at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)

at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:56)

at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)

at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)

at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)