Added the jvsce unit-tests to ant test-vscode-ext target

This will ensure that CI runs will perform both unit and integration
tests.

Signed-off-by: Siddharth Srinivasan <[email protected]>

Author: sid-srini

build.xml

@@ -286,6 +286,11 @@
     </target>
 
     <target name="test-vscode-ext" depends="test-lsp-server" description="Tests the Visual Studio Code extension built by 'build-vscode-ext' target.">
+        <exec executable="npm${cmd.suffix}" failonerror="true" dir="vscode">
+            <arg value="--allow-same-version"/>
+            <arg value="run" />
+            <arg value="test:unit" />
+        </exec>
         <exec executable="npm${cmd.suffix}" failonerror="true" dir="vscode">
             <arg value="--allow-same-version"/>
             <arg value="run" />