Run e2e only when lib affected (#7791)

scripts/travis/affected-contains.sh

@@ -0,0 +1,18 @@
+#!/usr/bin/env bash
+
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+verifyLib=$1;
+cd $DIR/../../
+
+AFFECTED_LIBS="$(nx print-affected --type=lib --select=projects --base=$BASE_HASH --head=$HEAD_HASH --plain || exit 1)"
+echo "Verify if affected build contains $1"
+
+
+echo "Affected libs:$AFFECTED_LIBS"
+if [[  $AFFECTED_LIBS =~ $verifyLib ]]; then
+    echo "Yep project:$verifyLib is affected carry on"
+    exit 0
+else
+    echo "Nope project NOT affected save time"
+     exit 1
+fi;