Index: /issm/trunk/test/NightlyRun/test425.m
===================================================================
--- /issm/trunk/test/NightlyRun/test425.m	(revision 5039)
+++ /issm/trunk/test/NightlyRun/test425.m	(revision 5040)
@@ -30,8 +30,3 @@
 md.eps_rel=10^-10; %tighten for qmu analyses
 
-%rm existing results
-if exist('./qmu')
-	system('rm -rf qmu/');
-end
-
-md=solve(md,'analysis_type',DiagnosticSolutionEnum);
+md=solve(md,'analysis_type',DiagnosticSolutionEnum,'overwrite','y');
Index: /issm/trunk/test/NightlyRun/test426.m
===================================================================
--- /issm/trunk/test/NightlyRun/test426.m	(revision 5039)
+++ /issm/trunk/test/NightlyRun/test426.m	(revision 5040)
@@ -30,8 +30,3 @@
 md.eps_rel=10^-10; %tighten for qmu analyses
 
-%rm existing results
-if exist('./qmu')
-	system('rm -rf qmu/');
-end
-
-md=solve(md,'analysis_type',DiagnosticSolutionEnum);
+md=solve(md,'analysis_type',DiagnosticSolutionEnum,'overwrite','y');
Index: /issm/trunk/test/NightlyRun/test427.m
===================================================================
--- /issm/trunk/test/NightlyRun/test427.m	(revision 5039)
+++ /issm/trunk/test/NightlyRun/test427.m	(revision 5040)
@@ -45,8 +45,3 @@
 md.eps_rel=10^-10; %tighten for qmu analyses
 
-%rm existing results
-if exist('./qmu')
-	system('rm -rf qmu/');
-end
-
-md=solve(md,'analysis_type',DiagnosticSolutionEnum);
+md=solve(md,'analysis_type',DiagnosticSolutionEnum,'overwrite','y');
Index: /issm/trunk/test/NightlyRun/test428.m
===================================================================
--- /issm/trunk/test/NightlyRun/test428.m	(revision 5039)
+++ /issm/trunk/test/NightlyRun/test428.m	(revision 5040)
@@ -45,8 +45,3 @@
 md.eps_rel=10^-10; %tighten for qmu analyses
 
-%rm existing results
-if exist('./qmu')
-	system('rm -rf qmu/');
-end
-
-md=solve(md,'analysis_type',DiagnosticSolutionEnum);
+md=solve(md,'analysis_type',DiagnosticSolutionEnum,'overwrite','y');