tmp! add setup data

to be removed later (before PR readiness)

Author: tbwiik

test-data/ert/poly_example/design_matrix.xlsx

@@ -14,3 +14,5 @@ GEN_DATA POLY_RES RESULT_FILE:poly.out
 
 INSTALL_JOB poly_eval POLY_EVAL
 FORWARD_MODEL poly_eval
+
+DESIGN_MATRIX design_matrix.xlsx PRIORITY:design_matrix