chore: try to normalize echo between OSes

Author: shellscape

packages/auto-install/test/yarn-bare.js

@@ -23,7 +23,7 @@ test('yarn, bare', async (t) => {
     },
     plugins: [
       // mock the call to yarn here. yarn has had consistent issues in this test env
-      autoInstall({ manager: 'yarn', commands: { yarn: 'echo "yarn.bare" > yarn.lock' } }),
+      autoInstall({ manager: 'yarn', commands: { yarn: 'echo yarn.bare > yarn.lock' } }),
       resolve()
     ]
   });

packages/auto-install/test/yarn.js

@@ -22,7 +22,7 @@ test('yarn', async (t) => {
       format: 'cjs'
     },
     // mock the call to yarn here. yarn has had consistent issues in this test env
-    plugins: [autoInstall({ commands: { yarn: 'echo "yarn" > yarn.lock' } }), resolve()]
+    plugins: [autoInstall({ commands: { yarn: 'echo yarn > yarn.lock' } }), resolve()]
   });
   const lockFile = readFileSync('yarn.lock', 'utf-8');
   t.snapshot(lockFile.replace(/\r\n/g, '\n'));