Merge branch 'ThieJan-master-patch-17863' into 'master'

CT/Tests Change confusing naming

See merge request ogs/ogs!4284

Tests/Data/Parabolic/ComponentTransport/DiffusionSorptionDecay/1D_DiffusionSorptionDecay.prj

@@ -104,7 +104,7 @@
         <processes>
             <!-- convergence criterion for hydraulic equation -->
             <process ref="hc">
-                <nonlinear_solver>basic_picard</nonlinear_solver>
+                <nonlinear_solver>basic_newton</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
                     <norm_type>NORM2</norm_type>
@@ -127,7 +127,7 @@
             </process>
             <!-- convergence criterion for component transport equation (Cs) -->
             <process ref="hc">
-                <nonlinear_solver>basic_picard</nonlinear_solver>
+                <nonlinear_solver>basic_newton</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
                     <norm_type>NORM2</norm_type>
@@ -233,7 +233,7 @@
     </process_variables>
     <nonlinear_solvers>
         <nonlinear_solver>
-            <name>basic_picard</name>
+            <name>basic_newton</name>
             <type>Newton</type>
             <max_iter>50</max_iter>
             <linear_solver>general_linear_solver</linear_solver>