Sort order of SA tokens in path collision error message

The ServiceAccount token path collision tests were failing inconsistently, due to inconsistent ordering of the SA tokens.
SA tokens are now sorted by name when returning an error involving a path collision.

Signed-off-by: Andrew Obuchowicz <aobuchow@redhat.com>

pkg/provision/workspace/tokens.go

@@ -140,11 +140,17 @@ func checkSATokenPathCollisions(saTokens []v1alpha1.ServiceAccountToken, mountPa
 			for _, saToken := range collidingSATokens {
 				problemNames = append(problemNames, saToken.Name)
 			}
+			sort.Slice(problemNames, func(i, j int) bool {
+				return problemNames[i] < problemNames[j]
+			})
 
 			if len(problemPaths) == 1 {
 				return fmt.Errorf("the following ServiceAccount tokens have the same path (%s) and mount path (%s): %s", path, mountPath, strings.Join(problemNames, ", "))
 			}
 		}
+		sort.Slice(problemNames, func(i, j int) bool {
+			return problemNames[i] < problemNames[j]
+		})
 		return fmt.Errorf("multiple ServiceAccount tokens share the same path and mount path: %s", strings.Join(problemNames, ", "))
 	}
 	return nil