Merge branch 'fix_test_branch' into 'master'

use MPI_LAUNCH for precision test run

See merge request dkrz-sw/sct!8

tests/test_precision_run.in

@@ -8,8 +8,8 @@ require "test_base.pl";
 $ENV{SCT_OUT}="stdout";
 
 $ENV{SCT_CALLSTATS}=0;
-#parse(run_prg("@abs_top_builddir@/tests/test_precision")) && check_reports();
-run_prg("@abs_top_builddir@/tests/test_precision");
+#parse(run_prg("@MPI_LAUNCH@ -n 1 @abs_top_builddir@/tests/test_precision")) && check_reports();
+run_prg("@MPI_LAUNCH@ -n 1 @abs_top_builddir@/tests/test_precision");
 
 $ENV{SCT_CALLSTATS}=1;
-#parse(run_prg("@abs_top_builddir@/tests/test_precision")) && check_reports();
+#parse(run_prg("@MPI_LAUNCH@ -n 1 @abs_top_builddir@/tests/test_precision")) && check_reports();