chore(tests): account for when npm is a prerelease (#7941)

A few of our tests necessarily use npm's own local version in its
package.json, and those tests need to be fixed for the new breaking
change that requires an explicit dist tag.

smoke-tests/test/npm-replace-global.js

@@ -143,7 +143,7 @@ t.test('publish and replace global self', async t => {
     }
     return false
   }).reply(201, {})
-  await npmLocal('publish', { proxy: true, force: true })
+  await npmLocal('publish', '--tag=smoke-test', { proxy: true, force: true })
 
   t.comment(JSON.stringify(publishedPackument, null, 2))
 

test/lib/commands/publish.js

@@ -962,6 +962,7 @@ t.test('manifest', async t => {
   const { npm } = await loadMockNpm(t, {
     config: {
       ...auth,
+      tag: 'latest',
       'foreground-scripts': false,
     },
     chdir: () => root,