[PL] Richards: Exclude adaptive_dt from LIS ctests

This is failing with adaptive time stepping scheme using LIS library and enters an infinite loop.
This is to be fixed by Wenqing.

ProcessLib/RichardsFlow/Tests.cmake

@@ -41,7 +41,7 @@ AddTest(
     ABSTOL 1e-8 RELTOL 1e-3
     DIFF_DATA
     ref_t_1600.000000.vtu richards_pcs_0_ts_805_t_1600.000000.vtu pressure pressure
-    REQUIREMENTS NOT OGS_USE_MPI
+    REQUIREMENTS NOT (OGS_USE_MPI OR OGS_USE_LIS)
 )
 
 #PETSc/MPI