test: update failure messages for clarity

Author: orinokai

tests/integration/edge-handler.test.ts

@@ -269,7 +269,7 @@ describe("aborts middleware execution when the matcher conditions don't match th
       })
       expect(
         response.headers.has('x-hello-from-middleware-res'),
-        `does not match ${path}`,
+        `should match ${path}`,
       ).toBeTruthy()
       expect(await response.text()).toBe('Hello from origin!')
       expect(response.status).toBe(200)
@@ -281,7 +281,10 @@ describe("aborts middleware execution when the matcher conditions don't match th
         origin,
         url: path,
       })
-      expect(response.headers.has('x-hello-from-middleware-res'), `does match ${path}`).toBeFalsy()
+      expect(
+        response.headers.has('x-hello-from-middleware-res'),
+        `should not match ${path}`,
+      ).toBeFalsy()
       expect(await response.text()).toBe('Hello from origin!')
       expect(response.status).toBe(200)
     }