update tests with new error message

packages/babel-parser/src/parser/lval.js

@@ -46,7 +46,7 @@ export default class LValParser extends NodeUtils {
   ): Node {
     if (node) {
       if (node.extra && node.extra.parenthesized) {
-        // any nested parenthensis means the left-hand side of the expression cannot have an assignment pattern
+        // any nested parenthensis invalidates left-hand assignment patterns
         allowAssign = false;
       }
       switch (node.type) {
@@ -116,7 +116,7 @@ export default class LValParser extends NodeUtils {
             if (!allowAssign) {
               this.raise(
                 node.left.end,
-                "Invalid assignment pattern in left-hand expression",
+                "Invalid assignment pattern in left-hand side of expression",
               );
             }
             node.type = "AssignmentPattern";

packages/babel-parser/test/fixtures/core/categorized/invalid-assignment-pattern-1/options.json

@@ -1,3 +1,3 @@
 {
-  "throws": "Invalid assignment pattern in left-hand expression (1:3)"
+  "throws": "Invalid assignment pattern in left-hand side of expression (1:3)"
 }

packages/babel-parser/test/fixtures/core/categorized/invalid-assignment-pattern-2/options.json

@@ -1,3 +1,3 @@
 {
-  "throws": "Invalid assignment pattern in left-hand expression (1:2)"
+  "throws": "Invalid assignment pattern in left-hand side of expression (1:2)"
 }

packages/babel-parser/test/fixtures/core/categorized/invalid-assignment-pattern-3/options.json

@@ -1,3 +1,3 @@
 {
-  "throws": "Invalid assignment pattern in left-hand expression (1:6)"
+  "throws": "Invalid assignment pattern in left-hand side of expression (1:6)"
 }

packages/babel-parser/test/fixtures/core/categorized/invalid-assignment-pattern-4/options.json

@@ -1,3 +1,3 @@
 {
-  "throws": "Invalid assignment pattern in left-hand expression (1:9)"
+  "throws": "Invalid assignment pattern in left-hand side of expression (1:9)"
 }