python3Packages.qiskit-aqua: disable slow tests

These tests were timing out, they pass locally but can overrun the timeout threshold depending on system load and speed.

System load shouldn't cause hydra failures, so disabling.

pkgs/development/python-modules/qiskit-aqua/default.nix

@@ -111,7 +111,7 @@ buildPythonPackage rec {
     "qiskit.optimization"
   ];
   pytestFlagsArray = [
-    "--timeout=30"
+    "--timeout=30"  # limit test duration to 30 seconds. Some tests previously would run indefinitely
     "--durations=10"
   ];
   disabledTestPaths = lib.optionals (!withPyscf) [
@@ -169,6 +169,8 @@ buildPythonPackage rec {
     "test_eoh"
     "test_qasm_5"
     "test_uccsd_hf"
+    "test_lih"
+    "test_lih_freeze_core"
   ] ++ lib.optionals (!withPyscf) [
     "test_validate" # test/chemistry/test_inputparser.py
   ];