Prepare codebase for inline Babel 8 breaking changes (#12440)

packages/babel-helper-fixtures/src/index.js

@@ -122,7 +122,11 @@ function pushTask(taskName, taskDir, suite, suiteName) {
   const test = {
     optionsDir: taskOptsLoc ? path.dirname(taskOptsLoc) : null,
     title: humanize(taskName, true),
-    disabled: taskName[0] === ".",
+    disabled:
+      taskName[0] === "." ||
+      (process.env.BABEL_8_BREAKING
+        ? taskOpts.BABEL_8_BREAKING === false
+        : taskOpts.BABEL_8_BREAKING === true),
     options: taskOpts,
     validateLogs: taskOpts.validateLogs,
     ignoreOutput: taskOpts.ignoreOutput,

packages/babel-types/test/regressions.js

@@ -1,7 +1,9 @@
 import * as t from "../lib";
 
 describe("regressions", () => {
-  it("jest .toMatchInlineSnapshot used 'Line' for comments", () => {
+  const babel7 = process.env.BABEL_TYPES_8_BREAKING ? it.skip : it;
+
+  babel7("jest .toMatchInlineSnapshot used 'Line' for comments", () => {
     expect(() => {
       t.file(t.program([]), [{ type: "Line" }]);
     }).not.toThrow();