Fix CI yarn-berry PATH setup

Author: pirate

.github/workflows/tests.yml

@@ -133,12 +133,16 @@ jobs:
           YARN_BERRY_PREFIX="/usr/local/yarn-berry"
           YARN_BERRY_ALIAS="/usr/local/bin/yarn-berry"
         fi
+        YARN_BERRY_ALIAS_DIR="$(dirname "$YARN_BERRY_ALIAS")"
+        mkdir -p "$YARN_BERRY_ALIAS_DIR"
+        export PATH="$YARN_BERRY_ALIAS_DIR:$PATH"
+        echo "$YARN_BERRY_ALIAS_DIR" >> "$GITHUB_PATH"
         npm install --prefix "$YARN_BERRY_PREFIX" @yarnpkg/cli-dist@4.13.0
         ln -sf "$YARN_BERRY_PREFIX/node_modules/.bin/yarn" "$YARN_BERRY_ALIAS"
         "$YARN_BERRY_ALIAS" --version | grep -q '^4\.'
-        which yarn
+        command -v yarn
         yarn --version
-        which yarn-berry
+        command -v yarn-berry
         yarn-berry --version
         yarn --version | grep -q '^1\.' || { echo "ERROR: yarn is not 1.x"; exit 1; }
 
@@ -303,12 +307,16 @@ jobs:
           YARN_BERRY_PREFIX="/usr/local/yarn-berry"
           YARN_BERRY_ALIAS="/usr/local/bin/yarn-berry"
         fi
+        YARN_BERRY_ALIAS_DIR="$(dirname "$YARN_BERRY_ALIAS")"
+        mkdir -p "$YARN_BERRY_ALIAS_DIR"
+        export PATH="$YARN_BERRY_ALIAS_DIR:$PATH"
+        echo "$YARN_BERRY_ALIAS_DIR" >> "$GITHUB_PATH"
         npm install --prefix "$YARN_BERRY_PREFIX" @yarnpkg/cli-dist@4.13.0
         ln -sf "$YARN_BERRY_PREFIX/node_modules/.bin/yarn" "$YARN_BERRY_ALIAS"
         "$YARN_BERRY_ALIAS" --version | grep -q '^4\.'
-        which yarn
+        command -v yarn
         yarn --version
-        which yarn-berry
+        command -v yarn-berry
         yarn-berry --version
         yarn --version | grep -q '^1\.' || { echo "ERROR: yarn is not 1.x"; exit 1; }