diff --git a/parallelTests.cmake b/parallelTests.cmake
index 10e2f462c..1e4f92ad0 100644
--- a/parallelTests.cmake
+++ b/parallelTests.cmake
@@ -268,6 +268,13 @@ add_test_compare_parallel_simulation(CASENAME rxft
                                      DIR rxft_smry
                                      TEST_ARGS --enable-tuning=true --linear-solver-reduction=1e-7 --tolerance-cnv=5e-6 --tolerance-mb=1e-8 --enable-drift-compensation=false)
 
+add_test_compare_parallel_simulation(CASENAME editnnc_multregt
+                                     FILENAME EDITNNC_AND_MULTREGT
+                                     SIMULATOR flow
+                                     ABS_TOL ${abs_tol_parallel}
+                                     REL_TOL ${rel_tol_parallel}
+                                     DIR editnnc)
+
 opm_set_test_driver(${PROJECT_SOURCE_DIR}/tests/run-comparison.sh "")
 
 add_test_compareSeparateECLFiles(CASENAME actionx_compdat_1_proc
diff --git a/regressionTests.cmake b/regressionTests.cmake
index c4ffe9798..92e82d781 100644
--- a/regressionTests.cmake
+++ b/regressionTests.cmake
@@ -1108,6 +1108,14 @@ add_test_compareECLFiles(CASENAME nonnc
                          REL_TOL ${rel_tol}
                          DIR editnnc)
 
+add_test_compareECLFiles(CASENAME editnnc_multregt
+                         FILENAME EDITNNC_AND_MULTREGT
+                         SIMULATOR flow
+                         ABS_TOL ${abs_tol}
+                         REL_TOL ${rel_tol}
+                         DIR editnnc
+                         TEST_ARGS --solver-max-time-step-in-days=0.1)
+
 add_test_compareECLFiles(CASENAME spe1_foam
                          FILENAME SPE1FOAM
                          SIMULATOR flow