Update tests.py

tests.py

@@ -247,7 +247,7 @@ def run_code(language:str,packages:str,filename: str, code: str,start_cmd:str,fo
         command="npm install "
     else:
         command="ls"
-    if  packages != "" or packages != " ":
+    if  packages != "" and packages != " ":
         package_logs=run(
             f"{command} {package_names}", timeout_sec=300,forever_cmd= 'false' 
         )
@@ -259,7 +259,7 @@ def run_code(language:str,packages:str,filename: str, code: str,start_cmd:str,fo
     f.write(code)
     f.close()
     global files_list
-    if start_cmd != "" or start_cmd != " ":
+    if start_cmd != "" and start_cmd != " ":
         stdot=run(start_cmd, 120,forever_cmd)
     else:
         stdot="File created successfully."