Fix Jenkings build failure (eclipse#950)

- Remove dependency on org.eclipse.osgi.services
- Bump version of org.eclipse.lsp4e.test

org.eclipse.lsp4e.test/META-INF/MANIFEST.MF

@@ -2,7 +2,7 @@ Manifest-Version: 1.0
 Bundle-ManifestVersion: 2
 Bundle-Name: Tests for language server bundle (Incubation)
 Bundle-SymbolicName: org.eclipse.lsp4e.test;singleton:=true
-Bundle-Version: 0.15.10.qualifier
+Bundle-Version: 0.15.11.qualifier
 Fragment-Host: org.eclipse.lsp4e
 Bundle-Vendor: Eclipse.org
 Bundle-RequiredExecutionEnvironment: JavaSE-17
@@ -18,7 +18,6 @@ Require-Bundle: org.eclipse.core.runtime,
  org.eclipse.ui.tests.harness,
  org.eclipse.search,
  org.eclipse.core.expressions,
- org.eclipse.osgi.services,
  org.eclipse.lsp4e.tests.mock;bundle-version="0.6.0",
  org.eclipse.lsp4e.debug;bundle-version="0.13.4",
  org.eclipse.lsp4j;bundle-version="[0.22.0,0.23.0)",

org.eclipse.lsp4e.test/pom.xml

@@ -8,7 +8,7 @@
 	</parent>
 	<artifactId>org.eclipse.lsp4e.test</artifactId>
 	<packaging>eclipse-test-plugin</packaging>
-	<version>0.15.10-SNAPSHOT</version>
+	<version>0.15.11-SNAPSHOT</version>
 
 	<properties>
 		<os-jvm-flags /> <!-- for the default case -->