Assert.assertEquals(HttpStatus.SC_CONFLICT, createInstance("dataset1", "datasetType2", props));
<BUG>Assert.assertEquals(1, getInstances().value.size());
</BUG>
Assert.assertEquals(HttpStatus.SC_NOT_FOUND, deleteInstance("non-existing-dataset"));
<BUG>Assert.assertEquals(1, getInstances().value.size());
</BUG>
Assert.assertEquals(HttpStatus.SC_OK, deleteInstance("dataset1"));
<BUG>Assert.assertEquals(0, getInstances().value.size());
</BUG>
Assert.assertEquals(HttpStatus.SC_OK, deleteModule("module2"));

Assert.assertEquals(HttpStatus.SC_CONFLICT, createInstance("dataset1", "datasetType2", props));
Assert.assertEquals(1, getInstances().getResponseObject().size());
Assert.assertEquals(HttpStatus.SC_NOT_FOUND, deleteInstance("non-existing-dataset"));
Assert.assertEquals(1, getInstances().getResponseObject().size());
Assert.assertEquals(HttpStatus.SC_OK, deleteInstance("dataset1"));
Assert.assertEquals(0, getInstances().getResponseObject().size());
Assert.assertEquals(HttpStatus.SC_OK, deleteModule("module2"));
