using debug variant for the vector CA tests, gplay only exists at the…

… root level

coverage.gradle

@@ -87,5 +87,5 @@ task unitTestsWithCoverage(type: GradleBuild) {
 task instrumentationTestsWithCoverage(type: GradleBuild) {
     startParameter.projectProperties.coverage = [enableTestCoverage: true]
     startParameter.projectProperties['android.testInstrumentationRunnerArguments.notPackage'] = 'im.vector.app.ui'
-    tasks = [':vector-app:connectedGplayDebugAndroidTest', ':vector:connectedGplayDebugAndroidTest', 'matrix-sdk-android:connectedDebugAndroidTest']
+    tasks = [':vector-app:connectedGplayDebugAndroidTest', ':vector:connectedDebugAndroidTest', 'matrix-sdk-android:connectedDebugAndroidTest']
 }