test: remove conn error snapshot

Connection error reason is pretty darn unreliable--we just want to know
whether it error'd or not.

Author: soedirgo

test/__snapshots__/index.test.ts.snap

@@ -626,8 +626,6 @@ Object {
 }
 `;
 
-exports[`connection errors should work the same with throwOnError 1`] = `[FetchError: request to http://foo.invalid/user?select=* failed, reason: getaddrinfo ENOTFOUND foo.invalid]`;
-
 exports[`don't mutate PostgrestClient.headers 1`] = `null`;
 
 exports[`embedded filters embedded eq 1`] = `

test/basic.ts

@@ -127,8 +127,7 @@ test('connection errors should work the same with throwOnError', async () => {
     .from('user')
     .select()
     .throwOnError()
-    .then(undefined, (error) => {
-      expect(error).toMatchSnapshot()
+    .then(undefined, () => {
       isErrorCaught = true
     })
   expect(isErrorCaught).toBe(true)