chore: print info about passWithNoTests flag (#7309)

Author: SimenB

CHANGELOG.md

@@ -95,6 +95,7 @@
 - `[jest-cli]` Support dashed args ([#7497](https://github.com/facebook/jest/pull/7497))
 - `[jest-cli]` Fix to run in band tests if watch mode enable when runInBand arg used ([#7518](https://github.com/facebook/jest/pull/7518))
 - `[jest-runtime]` Fix mistake as test files when run coverage issue. ([#7506](https://github.com/facebook/jest/pull/7506))
+- `[jest-cli]` print info about passWithNoTests flag ([#7309](https://github.com/facebook/jest/pull/7309))
 
 ### Chore & Maintenance
 

packages/jest-cli/src/getNoTestFound.js

@@ -21,7 +21,9 @@ export default function getNoTestFound(testRunData, globalConfig): string {
   }
 
   return (
-    chalk.bold('No tests found') +
+    chalk.bold('No tests found, exiting with code 1') +
+    '\n' +
+    'Run with `--passWithNoTests` to exit with code 0' +
     '\n' +
     `In ${chalk.bold(process.cwd())}` +
     '\n' +

packages/jest-cli/src/getNoTestFoundVerbose.js

@@ -48,7 +48,9 @@ export default function getNoTestFoundVerbose(
   }
 
   return (
-    chalk.bold('No tests found') +
+    chalk.bold('No tests found, exiting with code 1') +
+    '\n' +
+    'Run with `--passWithNoTests` to exit with code 0' +
     '\n' +
     individualResults.join('\n') +
     '\n' +