build: fix travis script to allow tsc -b

Author: raymondfeng

.travis.yml

@@ -52,8 +52,7 @@ matrix:
         - mongodb
       script:
         - npm run postinstall -- --scope "@loopback/test-repository-mongodb" --include-dependencies
-        - npm run build -- --scope "@loopback/test-repository-mongodb" --include-dependencies
-        - cd acceptance/repository-mongodb && npm run mocha
+        - cd acceptance/repository-mongodb && npm test
     - node_js: "12"
       os: linux
       env:
@@ -69,8 +68,7 @@ matrix:
         - mysql -e "GRANT SUPER ON *.* TO 'test'@'localhost' IDENTIFIED BY 'test';FLUSH PRIVILEGES;"
       script:
         - npm run postinstall -- --scope "@loopback/test-repository-mysql" --include-dependencies
-        - npm run build -- --scope "@loopback/test-repository-mysql" --include-dependencies
-        - cd acceptance/repository-mysql && npm run mocha
+        - cd acceptance/repository-mysql && npm test
     - node_js: "12"
       os: linux
       env:
@@ -80,17 +78,15 @@ matrix:
         - postgresql
       script:
         - npm run postinstall -- --scope "@loopback/test-repository-postgresql" --include-dependencies
-        - npm run build -- --scope "@loopback/test-repository-postgresql" --include-dependencies
         - psql -U postgres -a -f acceptance/repository-postgresql/test/schema.sql
-        - cd acceptance/repository-postgresql && npm run mocha
+        - cd acceptance/repository-postgresql && npm test
     - node_js: "12"
       os: linux
       env:
         - TASK=test-repository-cloudant
       script:
         # set up docker image and create admin for cloudant.
         - npm run postinstall -- --scope "@loopback/test-repository-cloudant" --include-dependencies
-        - npm run build -- --scope "@loopback/test-repository-cloudant" --include-dependencies
         - cd acceptance/repository-cloudant && sh setup.sh
         - npm test
     - node_js: "12"
@@ -101,8 +97,7 @@ matrix:
         - docker
       script:
         - npm run postinstall -- --scope "@loopback/test-extension-logging-fluentd" --include-dependencies
-        - npm run build -- --scope "@loopback/test-extension-logging-fluentd" --include-dependencies
-        - cd acceptance/extension-logging-fluentd && npm run mocha
+        - cd acceptance/extension-logging-fluentd && npm test
 
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