feat: add solana to beta (#30613)

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## **Description**

Moving solana code fences to `beta`

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## **Related issues**

Fixes:

## **Manual testing steps**

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## **Pre-merge author checklist**

- [ ] I've followed [MetaMask Contributor
Docs](https://github.com/MetaMask/contributor-docs) and [MetaMask
Extension Coding
Standards](https://github.com/MetaMask/metamask-extension/blob/main/.github/guidelines/CODING_GUIDELINES.md).
- [ ] I've completed the PR template to the best of my ability
- [ ] I’ve included tests if applicable
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Not required for external contributors.

## **Pre-merge reviewer checklist**

- [ ] I've manually tested the PR (e.g. pull and build branch, run the
app, test code being changed).
- [ ] I confirm that this PR addresses all acceptance criteria described
in the ticket it closes and includes the necessary testing evidence such
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app/scripts/metamask-controller.js

@@ -413,6 +413,7 @@ const environmentMappingForRemoteFeatureFlag = {
 const buildTypeMappingForRemoteFeatureFlag = {
   flask: DistributionType.Flask,
   main: DistributionType.Main,
+  beta: 'beta',
 };
 
 export default class MetamaskController extends EventEmitter {

app/scripts/metamask-controller.test.js

@@ -4204,7 +4204,7 @@ describe('MetaMaskController', () => {
       });
 
       it('returna config when not matching default mapping', async () => {
-        process.env.METAMASK_BUILD_TYPE = 'beta';
+        process.env.METAMASK_BUILD_TYPE = 'non-existent-distribution';
         process.env.METAMASK_ENVIRONMENT = ENVIRONMENT.RELEASE_CANDIDATE;
 
         const result =

builds.yml

@@ -40,6 +40,9 @@ buildTypes:
     features:
       - build-beta
       - keyring-snaps
+      - multichain
+      - solana
+      - solana-swaps
     env:
       - INFURA_BETA_PROJECT_ID
       - SEGMENT_BETA_WRITE_KEY

test/e2e/snaps/test-snap-uilinks.spec.js

@@ -112,7 +112,7 @@ describe('Test Snap UI Links', function () {
 
         // check that the correct page has been opened
         await driver.waitForSelector({
-          text: 'Most Popular',
+          text: 'Most popular',
           tag: 'h2',
         });