Fix tests for deleted init methods

Author: aseyboldt

pymc3/tests/test_quadpotential.py

@@ -279,9 +279,3 @@ def test_full_adapt_sampling(seed=289586):
         pot = quadpotential.QuadPotentialFullAdapt(initial_point_size, np.zeros(initial_point_size))
         step = pymc3.NUTS(model=model, potential=pot)
         pymc3.sample(draws=10, tune=1000, random_seed=seed, step=step, cores=1, chains=1)
-
-
-def test_issue_3965():
-    with pymc3.Model():
-        pymc3.Normal("n")
-        pymc3.sample(100, tune=300, chains=1, init="advi+adapt_diag_grad")

pymc3/tests/test_sampling.py

@@ -94,8 +94,6 @@ def test_sample_init(self):
                 "adapt_diag",
                 "jitter+adapt_diag",
                 "jitter+adapt_diag_grad",
-                "advi+adapt_diag_grad",
-                "advi+adapt_diag",
                 "adapt_full",
                 "jitter+adapt_full",
             ):