fix generation tests to reflect acorn update

src/babel/generation/generators/expressions.js

@@ -126,6 +126,12 @@ export function ExpressionStatement(node, print) {
   this.semicolon();
 }
 
+export function AssignmentPattern(node, print) {
+  print.plain(node.left);
+  this.push(" = ");
+  print.plain(node.right);
+}
+
 export function AssignmentExpression(node, print) {
   // todo: add cases where the spaces can be dropped when in compact mode
   print.plain(node.left);
@@ -143,8 +149,7 @@ export function BindExpression(node, print) {
 
 export {
   AssignmentExpression as BinaryExpression,
-  AssignmentExpression as LogicalExpression,
-  AssignmentExpression as AssignmentPattern
+  AssignmentExpression as LogicalExpression
 };
 
 export function MemberExpression(node, print) {

test/core/fixtures/generation/types/ClassBody-MethodDefinition/actual.js

@@ -3,11 +3,11 @@ class Foo {
   foo() {}
   ["foo"]() {}
   get foo() {}
-  set foo() {}
+  set foo(bar) {}
 
   static async foo() {}
   static foo() {}
   static ["foo"]() {}
   static get foo() {}
-  static set foo() {}
+  static set foo(bar) {}
 }

test/core/fixtures/generation/types/ClassBody-MethodDefinition/expected.js

@@ -3,11 +3,11 @@ class Foo {
   foo() {}
   ["foo"]() {}
   get foo() {}
-  set foo() {}
+  set foo(bar) {}
 
   static async foo() {}
   static foo() {}
   static ["foo"]() {}
   static get foo() {}
-  static set foo() {}
+  static set foo(bar) {}
 }

test/core/fixtures/generation/types/ObjectExpression-ObjectPattern-Property/actual.js

@@ -16,5 +16,5 @@ var foo = {
   async foo() {},
   *foo() {},
   get foo() {},
-  set foo() {}
+  set foo(foo) {}
 };

test/core/fixtures/generation/types/ObjectExpression-ObjectPattern-Property/expected.js

@@ -16,5 +16,5 @@ var foo = {
   async foo() {},
   *foo() {},
   get foo() {},
-  set foo() {}
+  set foo(foo) {}
 };