Move gcov check to the end

src/test/shell/bazel/remote/remote_execution_test.sh

@@ -2437,11 +2437,6 @@ function test_cc_rbe_coverage_produces_report() {
     return 0
   fi
 
-  gcov --help | grep "\-i,"
-  if [[ $? -eq 1 ]]; then
-      echo "gcov does not support intermediate files."
-      return 0
-  fi
   local test_dir="a/cc/coverage_test"
   mkdir -p $test_dir
 
@@ -2544,6 +2539,12 @@ EOF
       //"$test_dir":hello-test >& $TEST_log \
       || fail "Failed to run coverage for cc_test"
 
+  gcov --help | grep "\-i,"
+  if [[ $? -eq 1 ]]; then
+      echo "gcov does not support intermediate files."
+      return 0
+  fi
+
   # Different gcov versions generate different outputs.
   # Simply check if this is empty or not.
   if [[ ! -s bazel-testlogs/a/cc/coverage_test/hello-test/coverage.dat ]]; then