igr test: check-basic: add unterminated quoted string

src/igr-tests/check-basic/expected.txt

@@ -1,6 +1,7 @@
 Checking service: boot...
-Service 'boot' (line 3): unknown setting: 'not-valid'.
-Service 'boot' (line 4): run-as: specified user id contains invalid numeric characters or is outside allowed range.
+Service 'boot' (line 3): unterminated quoted string
+Service 'boot' (line 4): unknown setting: 'not-valid'.
+Service 'boot' (line 5): run-as: specified user id contains invalid numeric characters or is outside allowed range.
 Service 'boot': 'command' setting not specified.
 Checking service: test1...
 Unable to load service 'test1': service description not found.

src/igr-tests/check-basic/sd/boot

@@ -1,4 +1,5 @@
 type=process
 depends-on=test1
+depends-on="unterminated
 not-valid=some value
 run-as=9notanumber