really fic PR feedback

integration-tests/__tests__/__snapshots__/cli-handles-exact-filenames.test.js.snap

@@ -7,9 +7,7 @@ exports[`CLI accepts exact file names if matchers matched 1`] = `
 
 Force exiting Jest
 
-Have you considered using \`--detectOpenHandles\`?
-
- to detect async operations that kept running after all tests finished?"
+Have you considered using \`--detectOpenHandles\` to detect async operations that kept running after all tests finished?"
 `;
 
 exports[`CLI accepts exact file names if matchers matched 2`] = `

integration-tests/__tests__/__snapshots__/console_log_output_when_run_in_band.test.js.snap

@@ -7,9 +7,7 @@ exports[`prints console.logs when run with forceExit 1`] = `
 
 Force exiting Jest
 
-Have you considered using \`--detectOpenHandles\`?
-
- to detect async operations that kept running after all tests finished?"
+Have you considered using \`--detectOpenHandles\` to detect async operations that kept running after all tests finished?"
 `;
 
 exports[`prints console.logs when run with forceExit 2`] = `

integration-tests/__tests__/__snapshots__/detect_open_handles.js.snap

@@ -3,9 +3,7 @@
 exports[`prints message about flag on forceExit 1`] = `
 "Force exiting Jest
 
-Have you considered using \`--detectOpenHandles\`?
-
- to detect async operations that kept running after all tests finished?"
+Have you considered using \`--detectOpenHandles\` to detect async operations that kept running after all tests finished?"
 `;
 
 exports[`prints message about flag on slow tests 1`] = `

packages/jest-cli/src/cli/index.js

@@ -132,7 +132,7 @@ const readResultsAndExit = (
       console.error(
         chalk.red.bold('Force exiting Jest\n\n') +
           chalk.red(
-            'Have you considered using `--detectOpenHandles`?\n\n to detect ' +
+            'Have you considered using `--detectOpenHandles` to detect ' +
               'async operations that kept running after all tests finished?',
           ),
       );
@@ -141,17 +141,16 @@ const readResultsAndExit = (
     exit(code);
   } else if (!globalConfig.detectOpenHandles) {
     setTimeout(() => {
-      const lines = [
+      console.error(
         chalk.red.bold(
-          'Jest did not exit one second after the test run has completed.',
-        ),
-        chalk.red(
-          'This usually means that there are asynchronous operations that ' +
-            "weren't stopped in your tests. Consider running Jest with " +
-            '`--detectOpenHandles` to troubleshoot this issue.',
-        ),
-      ];
-      console.error(lines.join('\n\n'));
+          'Jest did not exit one second after the test run has completed.\n\n',
+        ) +
+          chalk.red(
+            'This usually means that there are asynchronous operations that ' +
+              "weren't stopped in your tests. Consider running Jest with " +
+              '`--detectOpenHandles` to troubleshoot this issue.',
+          ),
+      );
       // $FlowFixMe: `unref` exists in Node
     }, 1000).unref();
   }