Fix qemu tests

tests/handlers/api/test_qemu.py

@@ -26,7 +26,7 @@ from gns3server.config import Config
 @pytest.fixture
 def fake_qemu_bin():
 
-    bin_path = os.path.join(os.environ["PATH"], "qemu_x86_64")
+    bin_path = os.path.join(os.environ["PATH"], "qemu-system-x86_64")
     with open(bin_path, "w+") as f:
         f.write("1")
     os.chmod(bin_path, stat.S_IRUSR | stat.S_IWUSR | stat.S_IXUSR)