diff --git a/tests/testBenQProjectorSerial.py b/tests/testBenQProjectorSerial.py
index 87b32c4..f8db0a1 100644
--- a/tests/testBenQProjectorSerial.py
+++ b/tests/testBenQProjectorSerial.py
@@ -33,6 +33,11 @@ async def test__connect(self):
         result = await self._projector._connect()
         self.assertTrue(result)
 
+    async def test__detect_prompt(self):
+        await self._projector._connect()
+        result = await self._projector._detect_prompt()
+        self.assertTrue(result)
+
     async def test__wait_for_prompt(self):
         await self._projector._connect()
         result = await self._projector._wait_for_prompt()
@@ -43,8 +48,3 @@ async def test__send_command(self):
         await self._projector._wait_for_prompt()
         result = await self._projector._send_command("pow")
         self.assertTrue(result)
-
-
-if __name__ == "__main__":
-    # import sys;sys.argv = ['', 'Test.testName']
-    unittest.main()
diff --git a/tests/testBenQProjectorTelnet.py b/tests/testBenQProjectorTelnet.py
index ef2cdaf..a2cfc2c 100644
--- a/tests/testBenQProjectorTelnet.py
+++ b/tests/testBenQProjectorTelnet.py
@@ -16,14 +16,14 @@
 
 logger = logging.getLogger(__name__)
 
-HOSTNAME = "rs232-bridge.local"
+HOSTNAME = "benqprojector-livingroom.local"
 
 
 class Test(unittest.IsolatedAsyncioTestCase):
     _projector = None
 
     async def asyncSetUp(self):
-        self._projector = BenQProjectorTelnet(HOSTNAME)
+        self._projector = BenQProjectorTelnet(HOSTNAME, has_prompt=True)
 
     async def asyncTearDown(self):
         await self._projector.disconnect()
@@ -32,9 +32,10 @@ async def test__connect(self):
         result = await self._projector._connect()
         self.assertTrue(result)
 
-    # async def test_connect(self):
-    #     result = await self._projector.connect()
-    #     self.assertTrue(result)
+    async def test__detect_prompt(self):
+        await self._projector._connect()
+        result = await self._projector._detect_prompt()
+        self.assertTrue(result)
 
     async def test__wait_for_prompt(self):
         await self._projector._connect()
@@ -42,12 +43,8 @@ async def test__wait_for_prompt(self):
         self.assertTrue(result)
 
     async def test__send_command(self):
+        self._projector.has_prompt = True
         await self._projector._connect()
-        await self._projector._wait_for_prompt()
+        # await self._projector._wait_for_prompt()
         result = await self._projector._send_command("pow")
         self.assertTrue(result)
-
-
-if __name__ == "__main__":
-    # import sys;sys.argv = ['', 'Test.testName']
-    unittest.main()
diff --git a/tests/testBenQSerialConnection.py b/tests/testBenQSerialConnection.py
index 26c381a..ba235ab 100644
--- a/tests/testBenQSerialConnection.py
+++ b/tests/testBenQSerialConnection.py
@@ -42,12 +42,14 @@ async def test_close(self):
 
     async def test_read(self):
         await self._connection.open()
+        await self._connection.write(b"\r")
         result = await self._connection.read(1)
         logger.debug(result)
         self.assertIsNotNone(result)
 
     async def test_readline(self):
         await self._connection.open()
+        await self._connection.write(b"\r")
         result = await self._connection.readline()
         logger.debug(result)
         self.assertIsNotNone(result)
@@ -58,8 +60,3 @@ async def test_write(self):
         await self._connection.readline()
         result = await self._connection.readline()
         self.assertTrue(result.startswith(b"*POW="))
-
-
-if __name__ == "__main__":
-    # import sys;sys.argv = ['', 'Test.testName']
-    unittest.main()
diff --git a/tests/testBenQTelnetConnection.py b/tests/testBenQTelnetConnection.py
index d7c3715..8982973 100644
--- a/tests/testBenQTelnetConnection.py
+++ b/tests/testBenQTelnetConnection.py
@@ -16,7 +16,7 @@
 
 logger = logging.getLogger(__name__)
 
-HOSTNAME = "rs232-bridge.local"
+HOSTNAME = "benqprojector-livingroom.local"
 
 
 class Test(unittest.IsolatedAsyncioTestCase):
@@ -31,7 +31,7 @@ async def asyncTearDown(self):
     async def test_open(self):
         result = await self._connection.open()
         self.assertTrue(result)
-        self.assertTrue(self._connection.is_open)
+        self.assertTrue(self._connection.is_open())
 
     async def test_close(self):
         await self._connection.open()
@@ -59,8 +59,3 @@ async def test_write(self):
         await self._connection.readline()
         result = await self._connection.readline()
         self.assertTrue(result.startswith(b"*POW="))
-
-
-if __name__ == "__main__":
-    # import sys;sys.argv = ['', 'Test.testName']
-    unittest.main()