test/: Add test case for "-S" (pattern search)

* search-001.sh: Compare the output of "-S <regex>" (using a regular
  expression) with hardcoded data.

Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>

test/Makefile.am

@@ -14,7 +14,8 @@ TESTS = \
 	range-002.sh \
 	range-003.sh \
 	appointment-001.sh \
-	next-001.sh
+	next-001.sh \
+	search-001.sh
 
 check_PROGRAMS = run-test
 check_SCRIPTS = $(TESTS)