Additional test infra changes for toErrorDev rename (#17632)

scripts/eslint-rules/no-to-warn-dev-within-to-throw.js

@@ -12,7 +12,7 @@
 module.exports = function(context) {
   return {
     Identifier(node) {
-      if (node.name === 'toWarnDev') {
+      if (node.name === 'toWarnDev' || node.name === 'toErrorDev') {
         let current = node;
         while (current.parent) {
           if (current.type === 'CallExpression') {
@@ -22,7 +22,10 @@ module.exports = function(context) {
               current.callee.property &&
               current.callee.property.name === 'toThrow'
             ) {
-              context.report(node, 'toWarnDev() matcher should not be nested');
+              context.report(
+                node,
+                node.name + '() matcher should not be nested'
+              );
             }
           }
           current = current.parent;

scripts/jest/setupTests.js

@@ -108,14 +108,24 @@ if (process.env.REACT_CLASS_EQUIVALENCE_TEST) {
               .join('\n')}`
         );
 
+        let expectedMatcher;
+        switch (methodName) {
+          case 'warn':
+            expectedMatcher = 'toWarnDev';
+            break;
+          case 'error':
+            expectedMatcher = 'toErrorDev';
+            break;
+          default:
+            throw new Error('No matcher for ' + methodName);
+        }
         const message =
           `Expected test not to call ${chalk.bold(
             `console.${methodName}()`
           )}.\n\n` +
           'If the warning is expected, test for it explicitly by:\n' +
-          `1. Using the ${chalk.bold('.toWarnDev()')} / ${chalk.bold(
-            '.toLowPriorityWarnDev()'
-          )} matchers, or...\n` +
+          `1. Using the ${chalk.bold('.' + expectedMatcher + '()')} ` +
+          `matcher, or...\n` +
           `2. Mock it out using ${chalk.bold(
             'spyOnDev'
           )}(console, '${methodName}') or ${chalk.bold(