error messages go brrr

tests/edu/caltech/cs2/project08/DijkstraTest.java

@@ -77,10 +77,10 @@ public class DijkstraTest {
 
         String line = s.nextLine();
         if (line.equals("null")) {
-            assertNull(res, "Path does not exist from " + start + " to " + end + " but was found");
+            assertNull(res, "Path does not exist from " + start + " to " + end + " but a path was found");
         }
         else {
-            assertNotNull(res, "Path exists from " + start + " to " + end + " but was not found");
+            assertNotNull(res, "Path exists from " + start + " to " + end + " but a path was not found");
             for (Location l : res) {
                 if (prev != null) {
                     pathLen += bmg.adjacent(prev.id, l.id);