Test failures on Windows (TestRecvExpected_Timestamp_Restart and TestRecvObserved_Timestamp_Restart)

[v1v]

After enabling Windows, see #120

There are some test failure happening on Windows:

    observed_test.go:343: 
        	Error Trace:	D:/a/elastic-agent-client/elastic-agent-client/pkg/client/chunk/observed_test.go:343
        	Error:      	Should be empty, but was   (*proto.CheckinObserved)(Inverse(protocmp.Transform, protocmp.Message{
        	            	  	... // 2 identical entries
        	            	  	"features_idx": uint64(2),
        	            	  	"token":        string("token"),
        	            	  	"units": []protocmp.Message{
        	            	  		{
        	            	  			"@type":            s"proto.UnitObserved",
        	            	  			"config_state_idx": uint64(1),
        	            	- 			"id":               string("second-one"),
        	            	+ 			"id":               string("first-one"),
        	            	  			"message":          string("Healthy"),
        	            	  			"payload":          protocmp.Message{"@type": s"google.protobuf.Struct", "fields": map[string]protocmp.Message{"large": {"@type": s"google.protobuf.Value", "string_value": string("this structure places this unit over the maximum size")}}},
        	            	  			... // 2 identical entries
        	            	  		},
        	            	+ 		s`{id:"first-two"  config_state_idx:1  state:HEALTHY  message:"Healthy"}`,
        	            	  		{"@type": s"proto.UnitObserved", "config_state_idx": uint64(1), "id": string("second-two"), "message": string("Healthy"), ...},
        	            	  	},
        	            	  }))
        	Test:       	TestRecvObserved_Timestamp_Restart
--- FAIL: TestRecvObserved_Timestamp_Restart (0.00s)

and

expected_test.go:335: 
        	Error Trace:	D:/a/elastic-agent-client/elastic-agent-client/pkg/client/chunk/expected_test.go:335
        	Error:      	Should be empty, but was   (*proto.CheckinExpected)(Inverse(protocmp.Transform, protocmp.Message{
        	            	  	"@type":         s"proto.CheckinExpected",
        	            	  	"component_idx": uint64(3),
        	            	  	"features_idx":  uint64(2),
        	            	  	"units": []protocmp.Message{
        	            	  		{
        	            	  			"@type":            s"proto.UnitExpected",
        	            	  			"config":           protocmp.Message{"@type": s"proto.UnitExpectedConfig", "id": string("testing"), "name": string("testing"), "type": string("testing")},
        	            	  			"config_state_idx": uint64(1),
        	            	- 			"id":               string("second-one"),
        	            	+ 			"id":               string("first-one"),
        	            	  			"state":            s"HEALTHY",
        	            	  			"type":             s"OUTPUT",
        	            	  		},
        	            	+ 		s`{id:"first-two"  state:HEALTHY  config_state_idx:1}`,
        	            	  		{"@type": s"proto.UnitExpected", "config_state_idx": uint64(1), "id": string("second-two"), "state": s"HEALTHY"},
        	            	  	},
        	            	  }))
        	Test:       	TestRecvExpected_Timestamp_Restart
--- FAIL: TestRecvExpected_Timestamp_Restart (0.00s)

Those tests have been disabled for the timebeing on Windows.