cleanup: addresses paralleltest linter

The Go linter paralleltest checks that the t.Parallel
gets called for the test method and for the range of
test cases within the test.

Updates: #2025

Signed-off-by: Yati Padia <ypadia@redhat.com>

internal/util/csiconfig_test.go

@@ -34,6 +34,7 @@ func cleanupTestData() {
 
 // TODO: make this function less complex.
 func TestCSIConfig(t *testing.T) {
+	t.Parallel()
 	var err error
 	var data string
 	var content string