Added an explicit wait for content assist in RCPTT #145

Another experiment to make sure the test runs correctly on Jenkins.

query/tests/org.eclipse.viatra.query.rcptt/org.eclipse.viatra.query.rcptt.tests/Pattern Autocomplete.test

@@ -7,7 +7,7 @@ Element-Version: 3.0
 External-Reference: 
 Id: _DHI3kPBQEeWlEbYJ7IoFCQ
 Runtime-Version: 2.5.4.202210020716
-Save-Time: 3/27/24, 6:27 PM
+Save-Time: 3/28/24, 9:34 AM
 Testcase-Type: ecl
 
 ------=_.description-216f885c-d591-38ce-8ea2-e4f8cb4d6ffa
@@ -37,7 +37,8 @@ proc "select-from-content-assist" [val textviewer -input] [val assist] {
 	with [$textviewer] {
 		show-content-assist
 	}
-	wait-until-eclipse-is-ready
+	// Waiting for Eclipse to populate the content assist, it can take a while in a few cases
+	wait 5000
 	get-window -from "CompletionProposalPopup.createProposalSelector()" | get-table | select $assist | click 
     	-default