class_docstr: Tests for the QVMAX loss.
code: def testCompatibilityCheck(self):
      pcont_t = tf.placeholder(tf.float32, [8])
      with self.assertRaisesRegexp(
          ValueError, "QVMAX: Error in rank and/or compatibility check"
      ):
          value_ops.qv_max(self.v_tm1, self.r_t, pcont_t, self.q_t)
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from absl.testing import parameterized
  import tensorflow.compat.v1
  import tree
  from trfl import value_ops
label_desc: Use image node_id 3 for calling the QVMAXTest obj's underlying member method code with example usage: obj.testCompatibilityCheck() without return types