chore: use one worker on ci

.circleci/config.yml

@@ -124,7 +124,7 @@ jobs:
       - checkout
       - *attach_workspace
       - run:
-          command: npm test -- -w 2
+          command: npm test -- -w 1
           environment:
             LIB_DIR: dist
 
@@ -135,7 +135,7 @@ jobs:
       - checkout
       - *attach_workspace
       - run:
-          command: npm test -- -w 2
+          command: npm test -- -w 1
           environment:
             LIB_DIR: lib
 
@@ -146,7 +146,7 @@ jobs:
       - checkout
       - *attach_workspace
       - run:
-          command: npm test -- -w 2
+          command: npm test -- -w 1
           environment:
             LIB_DIR: es
 
@@ -156,7 +156,7 @@ jobs:
     steps:
       - checkout
       - *attach_workspace
-      - run: npm test -- -w 2 --coverage
+      - run: npm test -- -w 1 --coverage
       - run: bash <(curl -s https://codecov.io/bash)
 
   test_node:
@@ -165,7 +165,7 @@ jobs:
     steps:
       - checkout
       - *attach_workspace
-      - run: npm run test-node -- -w 2
+      - run: npm run test-node -- -w 1
 
   test_dist_15:
     <<: *container_config
@@ -175,7 +175,7 @@ jobs:
       - *attach_workspace
       - *install_react
       - run:
-          command: npm test -- -w 2 -u
+          command: npm test -- -w 1 -u
           environment:
             LIB_DIR: dist
 
@@ -187,7 +187,7 @@ jobs:
       - *attach_workspace
       - *install_react
       - run:
-          command: npm test -- -w 2 -u
+          command: npm test -- -w 1 -u
           environment:
             LIB_DIR: lib
 
@@ -199,7 +199,7 @@ jobs:
       - *attach_workspace
       - *install_react
       - run:
-          command: npm test -- -w 2 -u
+          command: npm test -- -w 1 -u
           environment:
             LIB_DIR: es
 
@@ -210,7 +210,7 @@ jobs:
       - checkout
       - *attach_workspace
       - *install_react
-      - run: npm test -- -w 2 -u
+      - run: npm test -- -w 1 -u
 
   test_node_15:
     <<: *container_config
@@ -219,7 +219,7 @@ jobs:
       - checkout
       - *attach_workspace
       - *install_react
-      - run: npm run test-node -- -w 2 -u
+      - run: npm run test-node -- -w 1 -u
 
 workflows:
   version: 2