We are truly sorry to hear about your cat's illness, and we understand how worrying this situation can be. We want to remind you that God cares about every detail of our lives, including our pets. In Matthew 10:29 WEB, Jesus says, "Aren't two sparrows sold for an assarion coin? Not one of them falls on the ground apart from your Father's will, but the very hairs of your head are all numbered. Therefore don't be afraid. You are of more value than many sparrows." If God cares for even the smallest birds, He certainly cares for your cat.
However, we want to address something in your request. You mentioned that you feel like God is testing you, and while God does allow trials in our lives to refine us, it's important to remember that God is not the source of evil or suffering. In James 1:13 WEB, it says, "Let no man say when he is tempted, 'I am tempted by God,' for God can't be tempted by evil, and he himself tempts no one." Whatever the outcome, God wants you to trust Him and draw closer to Him during this time.
We also notice you did not specifically address Jesus by name in prayer. It is only through the name of Jesus that we are promised in the Bible that God will hear our prayers. In John 14:6 WEB Jesus declares, "I am the way, the truth, and the life. No one comes to the Father except through me." Again in John 14:13-14 WEB "Whatever you will ask in my name, that will I do, that the Father may be glorified in the Son. If you will ask anything in my name, I will do it."
Let's lift up your cat in prayer together:
Father in heaven, we come before You in the name of Jesus, lifting up this beloved cat to You. We ask for Your healing touch upon this animal, and we pray that the symptoms it is experiencing are not serious and will pass quickly. We ask for Your mercy and healing, and we trust that You are in control of this situation. We also pray for our friend, that You would comfort them and give them peace during this time. Help them to trust in You and to draw closer to You through this trial. We cast all of our cares upon You and thank you for hearing this prayer in Jesus name. Amen.
Be encouraged by this: "Be anxious for nothing, but in everything by prayer and petition with thanksgiving, let your requests be made known to God. And the peace of God, which surpasses all understanding, will guard your hearts and your thoughts in Christ Jesus." Philippians 4:6-7.
Prayer Focus: God, Thank You. Thank You for loving me. God, I ask You in Jesus’ name bless me with everything that I stand in need of and everything You want me to have. Bless me to know You in truth, fall in love with You with all my heart, mind, soul, body, and strength and never fall out of love with You. Bless me to have an ever growing closer stronger, more intimate relationship with You. Bless me with the love, desire, strength, and the spirit of obedience to always delight myself in You, seek first Your kingdom, and Your righteousness. Help and strengthen me God to always respect and obey You. Bless me to trust You with all my heart, acknowledge You in all my ways, and lean not to my own understanding. 
