[#3] Move source code of testlib to src directory

Signed-off-by: Vladimir Domnich <v.domnich@yadro.com>

src/neofs_testlib/cli/neogo/node.py

@@ -0,0 +1,17 @@
+from neofs_testlib.cli.cli_command import CliCommand
+from neofs_testlib.cli.neogo.network_type import NetworkType
+from neofs_testlib.shell import CommandResult
+
+
+class NeoGoNode(CliCommand):
+    def start(self, network: NetworkType = NetworkType.PRIVATE) -> CommandResult:
+        """Start a NEO node
+
+        Args:
+            network (NetworkType): Select network type (default: private)
+
+        Returns:
+            str: Command string
+
+        """
+        return self._execute("start", **{network.value: True})