Update Makefile.offline_tutorial_test: attempting to put in the mass model stuff

gstlal-inspiral/tests/Makefile.offline_tutorial_test

@@ -503,6 +503,12 @@ H1L1-0000_CREATE_PRIOR_DIST_STATS-1000000000-2048.xml.gz:
 		--background-prior 1 \
 		--verbose
 	@echo ""
+	
+H1L1-ALL_MASS_MODEL-1000000000-2048.h5: L1-0000_GSTLAL_SPLIT_BANK-0-0.xml.gz
+    gstlal_inspiral_mass_model \
+        --template-bank $< \
+        --output H1L1-ALL_MASS_MODEL-1187000000-100000.h5 \
+        --model salpeter
 
 H1L1-0000_MARG_DIST_STATS-1000000000-2048.xml.gz: H1L1-0000_CREATE_PRIOR_DIST_STATS-1000000000-2048.xml.gz H1L1-0000_LLOID-1000000000-2048.xml.gz
 	# gstlal_inspiral_marginalize_likelihood_0001