class_docstr: Most tests done in the base class LinearOperatorDerivedClassTest.
code: def test_convert_variables_to_tensors(self):
      matrix = variables_module.Variable([[3.0]])
      operator = linalg.LinearOperatorFullMatrix(matrix)
      with self.cached_session() as sess:
          sess.run([matrix.initializer])
          self.check_convert_variables_to_tensors(operator)
  
imports: import numpy
  from tensorflow.python.framework import config
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import errors
  from tensorflow.python.framework import test_util
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import math_ops
  from tensorflow.python.ops import variables
  from tensorflow.python.ops.linalg import linalg
  from tensorflow.python.ops.linalg import linear_operator_test_util
  from tensorflow.python.platform import test
label_desc: Use image node_id 8 for calling the SquareLinearOperatorFullMatrixTest obj's underlying member method code with example usage: obj.test_convert_variables_to_tensors() without return types