feat: added support for singular testsuite AM-415/rostests

Author: Aaron Roller

detection.sh

@@ -35,6 +35,9 @@ suite_success(){
     if cat "$file" | grep "$plural";then
         find_fail $plural $file
         return $?
+    elif cat "$file" | grep "$singular";then
+        find_fail $singular $file
+        return $?
     else
         echo "Skipping file without suite: $file"
     fi

test/all.sh

@@ -6,6 +6,7 @@ set -e
 
 test/one.sh test/success_fixture.xml 0
 test/one.sh test/failure_fixture.xml 1
+test/one.sh test/singular_testsuite_failure_fixture.xml 1
 test/one.sh test/error_fixture.xml 1
 
 test/one.sh test 1