rgw/admin: remove unknown user test case from user_bucket_test.go

Fixes: #984

Signed-off-by: Jiffin Tony Thottan <thottanjiffin@gmail.com>

rgw/admin/user_bucket_test.go

@@ -32,12 +32,6 @@ func (suite *RadosGWTestSuite) TestUserBucket() {
 		assert.Equal(suite.T(), 1, len(buckets))
 	})
 
-	suite.T().Run("list unknown user's buckets", func(_ *testing.T) {
-		buckets, err := co.ListUsersBuckets(context.Background(), "foo")
-		assert.NoError(suite.T(), err)
-		assert.Equal(suite.T(), 0, len(buckets))
-	})
-
 	suite.T().Run("list empty user's buckets with stat", func(_ *testing.T) {
 		_, err := co.ListUsersBucketsWithStat(context.Background(), "")
 		assert.Error(suite.T(), err)
@@ -54,10 +48,4 @@ func (suite *RadosGWTestSuite) TestUserBucket() {
 		assert.Equal(suite.T(), "admin", b.Owner)
 		assert.NotNil(suite.T(), b.BucketQuota.MaxSize)
 	})
-
-	suite.T().Run("list unknown user's buckets with stat", func(_ *testing.T) {
-		buckets, err := co.ListUsersBucketsWithStat(context.Background(), "foo")
-		assert.NoError(suite.T(), err)
-		assert.Equal(suite.T(), 0, len(buckets))
-	})
 }