Revise Makefile cstest target logic

Makefile

@@ -85,14 +85,14 @@ TOPLEVEL_JSON_FILES := $(shell ls -l ./*json | awk '{print $$9}')
 TAXCALC_JSON_FILES := $(shell ls -l ./taxcalc/*json | awk '{print $$9}')
 TESTS_JSON_FILES := $(shell ls -l ./taxcalc/tests/*json | awk '{print $$9}')
 PYLINT_FILES := $(shell grep -rl --include="*py" disable=locally-disabled .)
-PYLINT_OPTIONS = --disable=locally-disabled --score=no --jobs=4
+PYLINT_OPTIONS = --disable=locally-disabled --score=no --jobs=4 --disable=R0801
 RECIPE_FILES := $(shell ls -l ./docs/recipes/recipe*.ipynb | awk '{print $$9}')
-PYLINT_IGNORE = C0103,C0111,E0401,E1120,R0913,R0914,W0401,W0614
-RECIPE_OPTIONS = --disable=$(PYLINT_IGNORE) --score=no --jobs=4
+RECIPE_IGNORE = C0103,C0111,E0401,E1120,R0913,R0914,W0401,W0614,R0801
+RECIPE_OPTIONS = --disable=$(RECIPE_IGNORE) --score=no --jobs=4
 
 .PHONY=cstest
 cstest:
-	-pycodestyle .
+	-pycodestyle . | grep -v validation
 	@-pycodestyle --ignore=E501,E121 $(TOPLEVEL_JSON_FILES)
 	@-pycodestyle --ignore=E501,E121 $(TAXCALC_JSON_FILES)
 	@-pycodestyle --ignore=E501,E121 $(TESTS_JSON_FILES)