Fix the isChassisAppDbPresent check

The correct path to check for is
/var/run/redis/sonic-db/database_config.json and not
/etc/sonic/database_config.json

Updated the UT's conftest.py as well

Signed-off-by: Saravanan <[email protected]>

Author: saravanan-nexthop

orchagent/main.cpp

@@ -218,7 +218,7 @@ void getCfgSwitchType(DBConnector *cfgDb, string &switch_type, string &switch_su
 
 bool isChassisAppDbPresent()
 {
-    std::ifstream file("/etc/sonic/database_config.json");
+    std::ifstream file(SonicDBConfig::DEFAULT_SONIC_DB_CONFIG_FILE);
     if (!file.is_open()) return false;
 
     nlohmann::json db_config;

tests/conftest.py

@@ -1704,11 +1704,6 @@ def create_vct_ctn(self, ctndir):
             vol = {}
             vol[chassis_config_dir] = {"bind": "/usr/share/sonic/virtual_chassis", "mode": "ro"}
 
-            # Mount database_config.json when connect_to_chassis_db is set to 1
-            if defcfg.get("connect_to_chassis_db") == 1:
-                database_config_file = cwd + "/virtual_chassis/database_config.json"
-                vol[database_config_file] = {"bind": "/etc/sonic/database_config.json", "mode": "ro"}
-
             # pass self.ns into the vs to be use for vs restarts by swss conftest.
             # connection to chassbr is setup by chassis_connect.py within the vs
             data = {}