fix sbt test arguments

dev/run-tests

@@ -141,14 +141,17 @@ echo "========================================================================="
 
 {
   # If the Spark SQL tests are enabled, run the tests with the Hive profiles enabled.
+  # This must be a single argument, as it is.
   if [ -n "$_RUN_SQL_TESTS" ]; then
     SBT_MAVEN_PROFILES_ARGS="$SBT_MAVEN_PROFILES_ARGS -Phive"
   fi
 
   if [ -n "$_SQL_TESTS_ONLY" ]; then
-    SBT_MAVEN_TEST_ARGS="catalyst/test sql/test hive/test"
+    # This must be an array of individual arguments. Otherwise, having one long string
+    #+ will be interpreted as a single test, which doesn't work.
+    SBT_MAVEN_TEST_ARGS=("catalyst/test" "sql/test" "hive/test")
   else
-    SBT_MAVEN_TEST_ARGS="test"
+    SBT_MAVEN_TEST_ARGS=("test")
   fi
 
   echo "[info] Running Spark tests with these arguments: $SBT_MAVEN_PROFILES_ARGS $SBT_MAVEN_TEST_ARGS"
@@ -159,7 +162,7 @@ echo "========================================================================="
   # QUESTION: Why doesn't 'yes "q"' work?
   # QUESTION: Why doesn't 'grep -v -e "^\[info\] Resolving"' work?
   echo -e "q\n" \
-    | sbt/sbt "$SBT_MAVEN_PROFILES_ARGS" "$SBT_MAVEN_TEST_ARGS" \
+    | sbt/sbt "$SBT_MAVEN_PROFILES_ARGS" "${SBT_MAVEN_TEST_ARGS[@]}" \
     | grep -v -e "info.*Resolving" -e "warn.*Merging" -e "info.*Including"
 }