build: No tidy for test files. Closes #2271

mk/tests.mk

@@ -120,6 +120,7 @@ ALL_HS := $(filter-out $(S)src/rt/vg/valgrind.h \
 tidy:
 		@$(call E, check: formatting)
 		$(Q)find $(S)src -name '*.r[sc]' \
+		| grep '^$(S)src/test' -v \
 		| xargs -n 10 python $(S)src/etc/tidy.py
 		$(Q)find $(S)src/etc -name '*.py' \
 		| xargs -n 10 python $(S)src/etc/tidy.py

src/etc/tidy.py

@@ -32,9 +32,7 @@ try:
             report_err("trailing whitespace")
         line_len = len(line)-2 if autocrlf else len(line)-1
 
-        # Along long lines if they are part of an expected error message
-        # in a test, which is denoted with "//!":
-        if line_len > cols and "//!" not in line:
+        if line_len > cols:
             report_err("line longer than %d chars" % cols)
 except UnicodeDecodeError, e:
     report_err("UTF-8 decoding error " + str(e))