fix: escape dot in example.com match pattern (#246)

src/rulesets/oas2/__tests__/host-not-example.ts

@@ -25,6 +25,12 @@ describe('host-not-example', () => {
       paths: {},
       host: 'https://example.com',
     });
-    expect(results).toMatchSnapshot();
+    expect(results).toEqual([
+      expect.objectContaining({
+        code: 'host-not-example',
+        message: 'Server URL should not point at `example.com`.',
+        path: ['host'],
+      }),
+    ]);
   });
 });

src/rulesets/oas2/ruleset.json

@@ -1681,7 +1681,7 @@
         "field": "host",
         "function": "pattern",
         "functionOptions": {
-          "notMatch": "example.com"
+          "notMatch": "example\\.com"
         }
       }
     },

src/rulesets/oas3/__tests__/server-not-example.ts

@@ -33,6 +33,12 @@ describe('server-not-example.com', () => {
         },
       ],
     });
-    expect(results).toMatchSnapshot();
+    expect(results).toEqual([
+      expect.objectContaining({
+        code: 'server-not-example.com',
+        message: 'Server URL should not point at `example.com`.',
+        path: ['servers', 0, 'url'],
+      }),
+    ]);
   });
 });

src/rulesets/oas3/ruleset.json

@@ -2372,7 +2372,7 @@
         "field": "url",
         "function": "pattern",
         "functionOptions": {
-          "notMatch": "example.com"
+          "notMatch": "example\\.com"
         }
       }
     },