feat(test): change base mode for average position

reach/client/protocol/testsuite/operations.go

@@ -264,6 +264,40 @@ var testCases = []operationTestCase{
 			t.Logf("Task Message : %s", taskmessage)
 		},
 	},
+	{
+		Name: "SetBaseModeAveragePosition",
+		Run: func(t *testing.T, ops protocol.Operations) {
+			ctx := context.Background()
+
+			if err := ops.Connect(ctx); err != nil {
+				t.Errorf("%+v", errors.WithStack(err))
+				return
+			}
+
+			defer func() {
+				if err := ops.Close(ctx); err != nil {
+					t.Errorf("%+v", errors.WithStack(err))
+				}
+			}()
+			latitude := -90 + rand.Float64()*180
+			longitude := -180 + rand.Float64()*360
+			height := rand.Float64() * 1000
+			antennaOffset := toFixed(rand.Float64()*2, 3)
+
+			opts := []protocol.SetBaseOptionFunc{
+				protocol.WithBaseLatitude(latitude),
+				protocol.WithBaseLongitude(longitude),
+				protocol.WithBaseHeight(height),
+				protocol.WithBaseAntennaOffset(antennaOffset),
+				protocol.WithBaseMode("fix-and-hold"),
+			}
+
+			if err := ops.SetBase(ctx, opts...); err != nil {
+				t.Errorf("%+v", errors.WithStack(err))
+			}
+
+		},
+	},
 	{
 		Name: "SetBaseCorrections",
 		Run: func(t *testing.T, ops protocol.Operations) {