tests: add some additional checks in the cycles igr. test

src/igr-tests/cycles/expected-after_self

@@ -0,0 +1,2 @@
+dinitctl: error loading service (or dependency of service).
+dinitctl: try 'dinitcheck <service-name>' or check log for more information.

src/igr-tests/cycles/expected-before_self

@@ -0,0 +1,2 @@
+dinitctl: error loading service (or dependency of service).
+dinitctl: try 'dinitcheck <service-name>' or check log for more information.

src/igr-tests/cycles/run-test.sh

@@ -16,11 +16,28 @@ if ! compare_cmd "run_dinitctl start ac" "expected-ac" err; then
     error "'dinitctl start ac' didn't produce expected result." "Check $IGR_OUTPUT/actual-ac."
 fi
 
+# before-after conflict
+#  ba depends on ba1, ba2
+#  ba2 is both before and after ba1
 STAGE=2
 if ! compare_cmd "run_dinitctl start ba" "expected-ba" err; then
     echo "$CMD_OUT" > "$IGR_OUTPUT"/actual-ba
     error "'dinitctl start ba' didn't produce expected result." "Check $IGR_OUTPUT/actual-ba."
 fi
 
+# "before_self" is before itself
+STAGE=3
+if ! compare_cmd "run_dinitctl start before_self" "expected-before_self" err; then
+    echo "$CMD_OUT" > "$IGR_OUTPUT"/actual-before_self
+    error "'dinitctl start before_self' didn't produce expected result." "Check $IGR_OUTPUT/actual-before_self."
+fi
+
+# "after_self" is after itself
+STAGE=4
+if ! compare_cmd "run_dinitctl start after_self" "expected-after_self" err; then
+    echo "$CMD_OUT" > "$IGR_OUTPUT"/actual-after_self
+    error "'dinitctl start after_self' didn't produce expected result." "Check $IGR_OUTPUT/actual-after_self."
+fi
+
 stop_dinit
 exit 0

src/igr-tests/cycles/sd/after_self

@@ -0,0 +1,2 @@
+type = internal
+after = after_self

src/igr-tests/cycles/sd/before_self

@@ -0,0 +1,2 @@
+type = internal
+before = before_self