🐛 fix: Throw if expecting error in dev server fixture (#596)

## Description

Throw in dev server if the fixture is supposed to throw but doesnt

## Testing

Explain the quality checks that have been done on the code changes

## Additional Information

- [ ] I read the [contributing docs](../docs/contributing.md) (if this
is your first contribution)

Your ENS/address:

Co-authored-by: Will Cory <[email protected]>

config/scripts/runFixture.ts

@@ -63,15 +63,20 @@ export const runFixture = (name: string) => {
 	runSync(
 		provide(
 			loadConfig(configDir).pipe(
+				flatMap(config => {
+					if (expectedErrors.includes(validName)) {
+						return fail(config)
+					}
+					return succeed(config)
+				}),
 				catchAll((e) => {
 					if (expectedErrors.includes(validName)) {
 						return succeed(e)
 					}
 					return logError(
-						`error running ${validName} ${
-							expectedErrors.includes(validName)
-								? `should have errored but didn't`
-								: 'error'
+						`error running ${validName} ${expectedErrors.includes(validName)
+							? `should have errored but didn't`
+							: 'error'
 						}. Try running the individual fixture with "bun fixture ${validName}"`,
 					).pipe(flatMap(() => fail(e)))
 				}),