chore: slimming down install script a little

.github/workflows/tugboat.yml

@@ -53,37 +53,9 @@ jobs:
         with:
           node-version: '14'
       - name: fetch branch master
-        run: git fetch origin master
-
-      # Cache every node_modules folder inside the monorepo
-      - name: cache all node_modules
-        id: cache-modules
-        uses: actions/cache@v2
-        with:
-          path: '**/node_modules'
-          # We use both yarn.lock and package.json as cache keys to ensure that
-          # changes to local monorepo packages bust the cache.
-          key: ${{ runner.os }}-v${{ matrix.node-version }}-node_modules-${{ hashFiles('yarn.lock', '**/package.json') }}
-
-      # If we get a cache hit for node_modules, there's no need to bring in the global
-      # yarn cache or run yarn install, as all dependencies will be installed already.
-      - name: find location of global yarn cache
-        id: yarn-cache
-        if: steps.cache-modules.outputs.cache-hit != 'true'
-        run: echo "::set-output name=dir::$(yarn cache dir)"
-
-      - name: cache global yarn cache
-        uses: actions/cache@v2
-        if: steps.cache-modules.outputs.cache-hit != 'true'
-        with:
-          path: ${{ steps.yarn-cache.outputs.dir }}
-          key: ${{ runner.os }}-yarn-${{ hashFiles('yarn.lock') }}
-          restore-keys: |
-            ${{ runner.os }}-yarn-
-
+  
       - name: yarn install
-        if: steps.cache-modules.outputs.cache-hit != 'true'
-        run: yarn install --frozen-lockfile
+        run: yarn workspace e2e-test install
 
       # This is required because the environment_url param that Tugboat uses
       # to tell us where the preview is located isn't supported unless you
@@ -110,7 +82,7 @@ jobs:
             console.log(result);
             return result.data.environment_url;
 
-      - name: Cypress run
+      - name: cypress run
         uses: cypress-io/github-action@v2
         env:
           CYPRESS_baseUrl: ${{steps.get-status-env.outputs.result}}