name changes for consistency with planned additions

diff --git a/ext/oci8/tests/rowid_bind.phpt b/ext/oci8/tests/bind_rowid.phpt
similarity index 100%
rename from ext/oci8/tests/rowid_bind.phpt
rename to ext/oci8/tests/bind_rowid.phpt

diff --git a/ext/oci8/tests/bind_error.phpt b/ext/oci8/tests/error_bind.phpt
similarity index 100%
rename from ext/oci8/tests/bind_error.phpt
rename to ext/oci8/tests/error_bind.phpt

diff --git a/ext/oci8/tests/parse_error.phpt b/ext/oci8/tests/error_parse.phpt
similarity index 100%
rename from ext/oci8/tests/parse_error.phpt
rename to ext/oci8/tests/error_parse.phpt