Add new test scenarios (#20785)

## Explanation
Test scenarios for eth sign, personal sign, sign typed data, sign in
with ethereum, encrypt & decrypt message, and connecting and
disconnecting from dapp

Closes #18941
Closes #18940 
Closes #18929
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  - [x] What problem this PR is solving
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---------

Co-authored-by: Marina Boboc <120041701+benjisclowder@users.noreply.github.com>
Co-authored-by: Chloe Gao <chloe.gao@consensys.net>
Co-authored-by: chloeYue <105063779+chloeYue@users.noreply.github.com>

test/scenarios/11. sign/eth sign.csv

@@ -0,0 +1,14 @@
+Steps,Test Steps,Test Data,Expected Result,Notes
+1,Open the extension.,,The Welcome Back screen is shown.,
+2,Proceed to Unlock the wallet.,password (8 characters min).,"The Ether balance is shown on the overview.
+The wallet address is shown on the overview.
+The selected network is Ethereum Mainnet.",
+3,Switch networks to a test network.,e.g. Sepolia.,"The Sepolia balance is shown on the overview.
+The wallet address is shown on the overview.
+The selected network is Sepolia.",
+4,"Open the accounts options menu, select settings. In advanced tab, enable the eth_sign request.",,The eth_sign toggle is ON.,
+5,Open the test dapp in another tab.,https://metamask.github.io/test-dapp/,,
+6,Proceed to Connect with MetaMask.,,,
+7,Connect with the current account.,,,
+8,"Sign ""Eth Sign"" messages",,The message is in hexadecimal format.,
+9,Verify signed hash.,,The signed address is verified.,

test/scenarios/11. sign/personal sign.csv

@@ -0,0 +1,13 @@
+Steps,Test Steps,Test Data,Expected Result,Notes
+1,Open the extension.,,The Welcome Back screen is shown.,
+2,Proceed to Unlock the wallet.,password (8 characters min).,"The Ether balance is shown on the overview.
+The wallet address is shown on the overview.
+The selected network is Ethereum Mainnet.",
+3,Switch networks to a test network.,e.g. Sepolia.,"The Sepolia balance is shown on the overview.
+The wallet address is shown on the overview.
+The selected network is Sepolia.",
+4,Open the test dapp in another tab.,https://metamask.github.io/test-dapp/,,
+5,Proceed to Connect with MetaMask.,,,
+6,Connect with the current account.,,,
+7,"Sign ""Personal Sign"" message",,The message is in plain text format.,
+8,Verify signed hash.,,The signed address is verified.,

test/scenarios/11. sign/sign in with ethereum.csv

@@ -0,0 +1,13 @@
+Steps,Test Steps,Test Data,Expected Result,Notes
+1,Open the extension.,,The Welcome Back screen is shown.,
+2,Proceed to Unlock the wallet.,password (8 characters min).,"The Ether balance is shown on the overview.
+The wallet address is shown on the overview.
+The selected network is Ethereum Mainnet.",
+3,Switch networks to a test network.,e.g. Sepolia.,"The Sepolia balance is shown on the overview.
+The wallet address is shown on the overview.
+The selected network is Sepolia.",
+4,Open the test dapp in another tab.,https://metamask.github.io/test-dapp/,,
+5,Proceed to Connect with MetaMask.,,,
+6,Connect with the current account.,,,
+7,"Sign ""Sign In With Ethereum"" message",,The message is in JSON formatting,Verify that alternative parameters of Sign In with Ethereum messages are shown and formatted correctly.
+8,Verify signed hash.,,The signed address is verified.,

test/scenarios/11. sign/sign typed with data.csv

@@ -0,0 +1,13 @@
+Steps,Test Steps,Test Data,Expected Result,Notes
+1,Open the extension.,,The Welcome Back screen is shown.,
+2,Proceed to Unlock the wallet.,password (8 characters min).,"The Ether balance is shown on the overview.
+The wallet address is shown on the overview.
+The selected network is Ethereum Mainnet.",
+3,Switch networks to a test network.,e.g. Sepolia.,"The Sepolia balance is shown on the overview.
+The wallet address is shown on the overview.
+The selected network is Sepolia.",
+4,Open the test dapp in another tab.,https://metamask.github.io/test-dapp/,,
+5,Proceed to Connect with MetaMask.,,,
+6,Connect with the current account.,,,
+7,"Sign ""Sign Typed Data"" transaction",,The message is in JSON formatting,"Verify that v1, v3, v4 of Sign Typed Data messages are shown and formatted correctly."
+8,Verify signed hash.,,The signed address is verified.,

test/scenarios/12. encrypt and decrypt/encrypt and decrypt.csv

@@ -0,0 +1,16 @@
+Steps,Test Steps,Test Data,Expected Result,Notes
+1,Open the extension.,,The Welcome Back screen is shown.,
+2,Proceed to Unlock the wallet.,password (8 characters min).,"The Ether balance is shown on the overview.
+The wallet address is shown on the overview.
+The selected network is Ethereum Mainnet.",
+3,Switch networks to a test network.,e.g. Sepolia.,"The Sepolia balance is shown on the overview.
+The wallet address is shown on the overview.
+The selected network is Sepolia.",
+4,Open the test dapp in another tab.,https://metamask.github.io/test-dapp/,,
+5,Proceed to Connect with MetaMask.,,,
+6,Connect with the current account.,,,
+7,"On testdapp, click ""Get encryption key"".",,Request encryption public key notification screen is shown.,
+8,Proceed to confirm get encryption key in notification window.,,The encryption key is displayed on testdapp page.,
+9,"On testdapp, in encrypt/decrypt section, enter a message in input field and click ""Encrypt"".",e.g. Hello,The encrypted message is displayed in ciphertext format.,Make a copy of the encrypted message.
+10,"On testdapp, paste the copied message in previous step in the input field, then click ""Decrypt"". ",,Decrypt request notification screen is shown.,
+11,Proceed to confirm decrypt message in notification.,e.g. Hello,"The decrypted message is displayed, and the value is the same as the previously entered one.",

test/scenarios/17. permissions/connecting and disconnecting from a dapp.csv

@@ -0,0 +1,12 @@
+Steps,Test Steps,Test Data,Expected Result,Notes
+1,Open the extension.,,The Welcome Back screen is shown.,
+2,Proceed to Unlock the wallet.,password (8 characters min).,"The Ether balance is shown on the overview.
+The wallet address is shown on the overview.
+The selected network is Ethereum Mainnet.",
+4,Open the test dapp in another tab.,https://metamask.github.io/test-dapp/,,
+5,Proceed to Connect with MetaMask.,,,
+6,Connect with the current account.,,,
+7,Open the connection menu,,"The current dapp is shown.
+The current list of connected accounts are shown.","Connection icon is in the app header, next to the account options icon."
+8,Disconnect current account from dapp via account options.,,"The previously connected address is removed from the list.
+The dapp's eth_accounts permission losses that address.",