protected void pressRefreshButton() {
		DockingActionIf action = getAction(plugin, "Refresh Script");
		performAction(action, false);// don't wait--may be a modal dialog
		waitForSwing();
	}
This call will:
-open the file in an editor
-update the text area and buffer fields of this test
@param file the file to open
Ghidra/Features/Base/src/test.slow/java/ghidra/app/plugin/core/script/AbstractGhidraScriptMgrPluginTest.java