Allow single server instance in test suite (#7262)

* initial pass

* reconfigureServer when needed

* finish postgres tests

* mongo tests

* more tests

* clean up

* re-add skipped test

* Fix transaction tests

* handle batch

* AuthenticationAdapter fix

* More reconfiguration

* clean up

* properly terminate cli servers

* handle Parse.Push

* Flaky PushController

* ensure reconfigureServer when changed

* fix postgres tests

* remove console.log

* LiveQuery spec remove duplicates and listeners

package-lock.json

@@ -7242,6 +7242,15 @@
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       "dev": true
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+    "jasmine-spec-reporter": {
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+      "requires": {
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+    },
     "jest-get-type": {
       "version": "25.2.6",
       "resolved": "https://registry.npmjs.org/jest-get-type/-/jest-get-type-25.2.6.tgz",