Testsuite: fix engine for testing M scripts

I’m not sure it has ever worked.

As a consequence, remove the workaround that had apparently been implemented in
tests/initval_file/ramst_initval_file.mod.

.gitignore

@@ -40,6 +40,7 @@ checksum
 
 # Make Check Rules
 *.trs
+*.tls
 
 # Doc rules
 *.pdf

tests/initval_file/ramst_initval_file.mod

@@ -22,12 +22,6 @@ k = ((delt+bet)/(1.0*aa*alph))^(1/(alph-1));
 c = aa*k^alph-delt*k;
 end;
 
-initval_file(filename = ramst_initval_file_data);
-steady;
-perfect_foresight_setup(periods=200);
-perfect_foresight_solver;
-
-
 initval_file(filename = ramst_initval_file_data_row_vec_mat);
 steady;
 perfect_foresight_setup(periods=200);

tests/run_m_script.m

-% Copyright (C) 2015 Dynare Team
+% Copyright (C) 2015-2019 Dynare Team
 %
 % This file is part of Dynare.
 %
@@ -24,7 +24,7 @@ addpath([top_test_dir filesep 'utils']);
 cd(directory);
 
 try
-  mscript;
+  eval(mscript);
   testFailed = false;
 catch exception
   printMakeCheckMatlabErrMsg(strtok(getenv('FILESTEM')), exception);
@@ -51,4 +51,4 @@ else
   fprintf(fid,':list-of-passed-tests: %s\n', [name '.m']);
 end
 fclose(fid);
-exit;
\ No newline at end of file
+exit;

tests/run_o_script.m

-## Copyright (C) 2015-2016 Dynare Team
+## Copyright (C) 2015-2019 Dynare Team
 ##
 ## This file is part of Dynare.
 ##
@@ -26,7 +26,7 @@ addpath([top_test_dir filesep 'utils']);
 cd(directory);
 
 try
-  mscript;
+  eval(mscript);
   testFailed = false;
 catch
   printMakeCheckOctaveErrMsg(getenv('FILESTEM'), lasterror);