diff --git a/test/address.js b/test/address.spec.ts similarity index 100% rename from test/address.js rename to test/address.spec.ts diff --git a/test/bitcoin.core.js b/test/bitcoin.core.spec.ts similarity index 100% rename from test/bitcoin.core.js rename to test/bitcoin.core.spec.ts diff --git a/test/block.js b/test/block.spec.ts similarity index 100% rename from test/block.js rename to test/block.spec.ts diff --git a/test/bufferutils.js b/test/bufferutils.spec.ts similarity index 100% rename from test/bufferutils.js rename to test/bufferutils.spec.ts diff --git a/test/classify.js b/test/classify.spec.ts similarity index 100% rename from test/classify.js rename to test/classify.spec.ts diff --git a/test/crypto.js b/test/crypto.spec.ts similarity index 100% rename from test/crypto.js rename to test/crypto.spec.ts diff --git a/test/ecpair.js b/test/ecpair.spec.ts similarity index 100% rename from test/ecpair.js rename to test/ecpair.spec.ts diff --git a/test/integration/_regtest.js b/test/integration/_regtest.spec.ts similarity index 100% rename from test/integration/_regtest.js rename to test/integration/_regtest.spec.ts diff --git a/test/integration/addresses.js b/test/integration/addresses.spec.ts similarity index 100% rename from test/integration/addresses.js rename to test/integration/addresses.spec.ts diff --git a/test/integration/bip32.js b/test/integration/bip32.spec.ts similarity index 100% rename from test/integration/bip32.js rename to test/integration/bip32.spec.ts diff --git a/test/integration/blocks.js b/test/integration/blocks.spec.ts similarity index 100% rename from test/integration/blocks.js rename to test/integration/blocks.spec.ts diff --git a/test/integration/cltv.js b/test/integration/cltv.spec.ts similarity index 100% rename from test/integration/cltv.js rename to test/integration/cltv.spec.ts diff --git a/test/integration/csv.js b/test/integration/csv.spec.ts similarity index 100% rename from test/integration/csv.js rename to test/integration/csv.spec.ts diff --git a/test/integration/payments.js b/test/integration/payments.spec.ts similarity index 100% rename from test/integration/payments.js rename to test/integration/payments.spec.ts diff --git a/test/integration/transactions-psbt.js b/test/integration/transactions-psbt.spec.ts similarity index 100% rename from test/integration/transactions-psbt.js rename to test/integration/transactions-psbt.spec.ts diff --git a/test/integration/transactions.js b/test/integration/transactions.spec.ts similarity index 100% rename from test/integration/transactions.js rename to test/integration/transactions.spec.ts diff --git a/test/payments.js b/test/payments.spec.ts similarity index 100% rename from test/payments.js rename to test/payments.spec.ts diff --git a/test/payments.utils.js b/test/payments.utils.spec.ts similarity index 100% rename from test/payments.utils.js rename to test/payments.utils.spec.ts diff --git a/test/psbt.js b/test/psbt.spec.ts similarity index 100% rename from test/psbt.js rename to test/psbt.spec.ts diff --git a/test/script.js b/test/script.spec.ts similarity index 100% rename from test/script.js rename to test/script.spec.ts diff --git a/test/script_number.js b/test/script_number.spec.ts similarity index 100% rename from test/script_number.js rename to test/script_number.spec.ts diff --git a/test/script_signature.js b/test/script_signature.spec.ts similarity index 100% rename from test/script_signature.js rename to test/script_signature.spec.ts diff --git a/test/transaction.js b/test/transaction.spec.ts similarity index 100% rename from test/transaction.js rename to test/transaction.spec.ts diff --git a/test/transaction_builder.js b/test/transaction_builder.spec.ts similarity index 100% rename from test/transaction_builder.js rename to test/transaction_builder.spec.ts diff --git a/test/types.js b/test/types.spec.ts similarity index 100% rename from test/types.js rename to test/types.spec.ts