filebeat/input/internal/procnet: fix typos in test error messages (#3…

…6290) (#36443)

(cherry picked from commit 6ce195e)

Co-authored-by: Dan Kortschak <90160302+efd6@users.noreply.github.com>

filebeat/input/internal/procnet/procnet_test.go

@@ -30,7 +30,7 @@ func TestAddrs(t *testing.T) {
  t.Errorf("unexpected error: %v", err)
  }
  if len(addr4) == 0 {
- t.Errorf("expected addr in addr4 for IPv4 address: %v", addr6)
+ t.Errorf("expected addr in addr4 for IPv4 address: addr6 is %v", addr6)
  }
  if len(addr6) != 0 {
  t.Errorf("unexpected addrs in addr6 for IPv4 address: %v", addr6)
@@ -43,10 +43,10 @@ func TestAddrs(t *testing.T) {
  t.Errorf("unexpected error: %v", err)
  }
  if len(addr4) != 0 {
- t.Errorf("expected addr in addr4 for IPv4 address: %v", addr6)
+ t.Errorf("unexpected addr in addr4 for IPv6 address: %v", addr4)
  }
  if len(addr6) == 0 {
- t.Errorf("unexpected addrs in addr6 for IPv4 address: %v", addr6)
+ t.Errorf("expected addrs in addr6 for IPv6 address: addr4 is %v", addr4)
  }
  })
 }