Adjust tests for changes in Go 1.12.8 / 1.11.13

Adjust tests for changes in Go 1.12.8 / 1.11.13

```
00:38:11 === Failed
00:38:11 === FAIL: opts TestParseDockerDaemonHost (0.00s)
00:38:11     hosts_test.go:87: tcp tcp:a.b.c.d address expected error "Invalid bind address format: tcp:a.b.c.d" return, got "parse tcp://tcp:a.b.c.d: invalid port \":a.b.c.d\" after host" and addr
00:38:11     hosts_test.go:87: tcp tcp:a.b.c.d/path address expected error "Invalid bind address format: tcp:a.b.c.d/path" return, got "parse tcp://tcp:a.b.c.d/path: invalid port \":a.b.c.d\" after host" and addr
00:38:11
00:38:11 === FAIL: opts TestParseTCP (0.00s)
00:38:11     hosts_test.go:129: tcp tcp:a.b.c.d address expected error Invalid bind address format: tcp:a.b.c.d return, got parse tcp://tcp:a.b.c.d: invalid port ":a.b.c.d" after host and addr
00:38:11     hosts_test.go:129: tcp tcp:a.b.c.d/path address expected error Invalid bind address format: tcp:a.b.c.d/path return, got parse tcp://tcp:a.b.c.d/path: invalid port ":a.b.c.d" after host and addr
```

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
(cherry picked from commit 683766613a8c1dca8f95b19ddb7e083bb3aef266)
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
Gbp-Pq: Name test--engine-fix-golang11.patch