diff --git a/e2e/__tests__/__snapshots__/coverage_report.test.js.snap b/e2e/__tests__/__snapshots__/coverage_report.test.js.snap
index e741fd69db6a..1d99531bccd9 100644
--- a/e2e/__tests__/__snapshots__/coverage_report.test.js.snap
+++ b/e2e/__tests__/__snapshots__/coverage_report.test.js.snap
@@ -72,12 +72,12 @@ exports[`outputs coverage report 1`] = `
 "-------------------------------------|----------|----------|----------|----------|-------------------|
 File                                 |  % Stmts | % Branch |  % Funcs |  % Lines | Uncovered Line #s |
 -------------------------------------|----------|----------|----------|----------|-------------------|
-All files                            |    56.52 |        0 |       50 |    55.56 |                   |
- coverage-report                     |    41.18 |        0 |       25 |    42.86 |                   |
+All files                            |    59.09 |        0 |       50 |    58.82 |                   |
+ coverage-report                     |    43.75 |        0 |       25 |    46.15 |                   |
   OtherFile.js                       |      100 |      100 |      100 |      100 |                   |
   Sum.js                             |    85.71 |      100 |       50 |      100 |                   |
   SumDependency.js                   |        0 |        0 |        0 |        0 |           8,10,12 |
-  notRequiredInTestSuite.js          |        0 |        0 |        0 |        0 |     8,15,16,17,19 |
+  notRequiredInTestSuite.js          |        0 |        0 |        0 |        0 |       15,16,17,19 |
  coverage-report/cached-duplicates/a |      100 |      100 |      100 |      100 |                   |
   Identical.js                       |      100 |      100 |      100 |      100 |                   |
  coverage-report/cached-duplicates/b |      100 |      100 |      100 |      100 |                   |
@@ -88,20 +88,20 @@ All files                            |    56.52 |        0 |       50 |    55.56
 exports[`outputs coverage report when text and text-summary is requested 1`] = `
 "
 =============================== Coverage summary ===============================
-Statements   : 56.52% ( 13/23 )
+Statements   : 59.09% ( 13/22 )
 Branches     : 0% ( 0/4 )
 Functions    : 50% ( 3/6 )
-Lines        : 55.56% ( 10/18 )
+Lines        : 58.82% ( 10/17 )
 ================================================================================
 -------------------------------------|----------|----------|----------|----------|-------------------|
 File                                 |  % Stmts | % Branch |  % Funcs |  % Lines | Uncovered Line #s |
 -------------------------------------|----------|----------|----------|----------|-------------------|
-All files                            |    56.52 |        0 |       50 |    55.56 |                   |
- coverage-report                     |    41.18 |        0 |       25 |    42.86 |                   |
+All files                            |    59.09 |        0 |       50 |    58.82 |                   |
+ coverage-report                     |    43.75 |        0 |       25 |    46.15 |                   |
   OtherFile.js                       |      100 |      100 |      100 |      100 |                   |
   Sum.js                             |    85.71 |      100 |       50 |      100 |                   |
   SumDependency.js                   |        0 |        0 |        0 |        0 |           8,10,12 |
-  notRequiredInTestSuite.js          |        0 |        0 |        0 |        0 |     8,15,16,17,19 |
+  notRequiredInTestSuite.js          |        0 |        0 |        0 |        0 |       15,16,17,19 |
  coverage-report/cached-duplicates/a |      100 |      100 |      100 |      100 |                   |
   Identical.js                       |      100 |      100 |      100 |      100 |                   |
  coverage-report/cached-duplicates/b |      100 |      100 |      100 |      100 |                   |
@@ -113,12 +113,12 @@ exports[`outputs coverage report when text is requested 1`] = `
 "-------------------------------------|----------|----------|----------|----------|-------------------|
 File                                 |  % Stmts | % Branch |  % Funcs |  % Lines | Uncovered Line #s |
 -------------------------------------|----------|----------|----------|----------|-------------------|
-All files                            |    56.52 |        0 |       50 |    55.56 |                   |
- coverage-report                     |    41.18 |        0 |       25 |    42.86 |                   |
+All files                            |    59.09 |        0 |       50 |    58.82 |                   |
+ coverage-report                     |    43.75 |        0 |       25 |    46.15 |                   |
   OtherFile.js                       |      100 |      100 |      100 |      100 |                   |
   Sum.js                             |    85.71 |      100 |       50 |      100 |                   |
   SumDependency.js                   |        0 |        0 |        0 |        0 |           8,10,12 |
-  notRequiredInTestSuite.js          |        0 |        0 |        0 |        0 |     8,15,16,17,19 |
+  notRequiredInTestSuite.js          |        0 |        0 |        0 |        0 |       15,16,17,19 |
  coverage-report/cached-duplicates/a |      100 |      100 |      100 |      100 |                   |
   Identical.js                       |      100 |      100 |      100 |      100 |                   |
  coverage-report/cached-duplicates/b |      100 |      100 |      100 |      100 |                   |
@@ -129,9 +129,9 @@ All files                            |    56.52 |        0 |       50 |    55.56
 exports[`outputs coverage report when text-summary is requested 1`] = `
 "
 =============================== Coverage summary ===============================
-Statements   : 56.52% ( 13/23 )
+Statements   : 59.09% ( 13/22 )
 Branches     : 0% ( 0/4 )
 Functions    : 50% ( 3/6 )
-Lines        : 55.56% ( 10/18 )
+Lines        : 58.82% ( 10/17 )
 ================================================================================"
 `;
diff --git a/e2e/__tests__/coverage_report.test.js b/e2e/__tests__/coverage_report.test.js
index d12b0f2f7b3a..642c0031def5 100644
--- a/e2e/__tests__/coverage_report.test.js
+++ b/e2e/__tests__/coverage_report.test.js
@@ -19,7 +19,7 @@ test('outputs coverage report', () => {
   const {stdout, status} = runJest(DIR, ['--no-cache', '--coverage'], {
     stripAnsi: true,
   });
-  const coverageDir = path.resolve(__dirname, '../coverage-report/coverage');
+  const coverageDir = path.join(DIR, 'coverage');
 
   // - the `setup.js` file is ignored and should not be in the coverage report.
   // - `SumDependency.js` is mocked and the real module is never required but
@@ -99,14 +99,7 @@ test('outputs coverage report as json', () => {
     {stripAnsi: true},
   );
   expect(status).toBe(0);
-
-  try {
-    JSON.parse(stdout);
-  } catch (err) {
-    throw new Error(
-      "Can't parse the JSON result from stdout. " + err.toString(),
-    );
-  }
+  expect(() => JSON.parse(stdout)).not.toThrow();
 });
 
 test('outputs coverage report when text is requested', () => {
diff --git a/e2e/coverage-report/babel.config.js b/e2e/coverage-report/babel.config.js
new file mode 100644
index 000000000000..6869642766b4
--- /dev/null
+++ b/e2e/coverage-report/babel.config.js
@@ -0,0 +1,3 @@
+module.exports = {
+  presets: ['@babel/preset-flow'],
+};
diff --git a/e2e/coverage-report/package.json b/e2e/coverage-report/package.json
index a36cacf43a71..4ced9148e930 100644
--- a/e2e/coverage-report/package.json
+++ b/e2e/coverage-report/package.json
@@ -3,6 +3,7 @@
     "collectCoverageFrom": [
       "**/*.js",
       "!setup.js",
+      "!babel.config.js",
       "!**/node_modules/**",
       "!**/coverage/**"
     ],