[tests] update tests due to change in prj_pr_property

tests/testthat/test-read_in_utils.R

@@ -78,14 +78,15 @@ test_that("order_parameters throws a helpful error message for missing
     # e.g. a new process node in a *.prj file is found and the corresponding
     # class in prj_process is missing
 
-    ogs6_process <- prj_pr_property(name = "test", # use a class that does not have "..."
-                                type = "LIQUID_FLOW")
+    # use a class that does not have "..."
+    ogs6_class <- prj_constitutive_relation(type = "test")
     # replace one parameter
-    names(ogs6_process)[4] <- "Frodos_Ring"
+    names(ogs6_class)[4] <- "Frodos_Ring"
     expect_error(
-        order_parameters(parameters = ogs6_process,
-                         class_name = "prj_pr_property"),
-        regexp = "Frodos_Ring not in class_args of class prj_pr_property")
+        order_parameters(parameters = ogs6_class,
+                         class_name = "prj_constitutive_relation"),
+        regexp = paste("Frodos_Ring not in class_args of class",
+                        "prj_constitutive_relation"))
           }
 )