diff --git a/tests/block_test.go b/tests/block_test.go
index c017b746e..1f2e5a15b 100644
--- a/tests/block_test.go
+++ b/tests/block_test.go
@@ -1,45 +1,49 @@
 package tests
 
 import (
+	"path/filepath"
 	"testing"
 )
 
+var baseDir = filepath.Join(".", "files")
+var blockTestDir = filepath.Join(baseDir, "BlockTests")
+
 // TODO: refactor test setup & execution to better align with vm and tx tests
 func TestBcValidBlockTests(t *testing.T) {
 	// SimpleTx3 genesis block does not validate against calculated state root
 	// as of 2015-06-09. unskip once working /Gustav
-	runBlockTestsInFile("files/BlockTests/bcValidBlockTest.json", []string{"SimpleTx3"}, t)
+	runBlockTestsInFile(filepath.Join(blockTestDir, "bcValidBlockTest.json"), []string{"SimpleTx3"}, t)
 }
 
 func TestBcUncleTests(t *testing.T) {
-	runBlockTestsInFile("files/BlockTests/bcUncleTest.json", []string{}, t)
-	runBlockTestsInFile("files/BlockTests/bcBruncleTest.json", []string{}, t)
+	runBlockTestsInFile(filepath.Join(blockTestDir, "bcUncleTest.json"), []string{}, t)
+	runBlockTestsInFile(filepath.Join(blockTestDir, "bcBruncleTest.json"), []string{}, t)
 }
 
 func TestBcUncleHeaderValidityTests(t *testing.T) {
-	runBlockTestsInFile("files/BlockTests/bcUncleHeaderValiditiy.json", []string{}, t)
+	runBlockTestsInFile(filepath.Join(blockTestDir, "bcUncleHeaderValiditiy.json"), []string{}, t)
 }
 
 func TestBcInvalidHeaderTests(t *testing.T) {
-	runBlockTestsInFile("files/BlockTests/bcInvalidHeaderTest.json", []string{}, t)
+	runBlockTestsInFile(filepath.Join(blockTestDir, "bcInvalidHeaderTest.json"), []string{}, t)
 }
 
 func TestBcInvalidRLPTests(t *testing.T) {
-	runBlockTestsInFile("files/BlockTests/bcInvalidRLPTest.json", []string{}, t)
+	runBlockTestsInFile(filepath.Join(blockTestDir, "bcInvalidRLPTest.json"), []string{}, t)
 }
 
 func TestBcRPCAPITests(t *testing.T) {
-	runBlockTestsInFile("files/BlockTests/bcRPC_API_Test.json", []string{}, t)
+	runBlockTestsInFile(filepath.Join(blockTestDir, "bcRPC_API_Test.json"), []string{}, t)
 }
 
 func TestBcForkBlockTests(t *testing.T) {
-	runBlockTestsInFile("files/BlockTests/bcForkBlockTest.json", []string{}, t)
+	runBlockTestsInFile(filepath.Join(blockTestDir, "bcForkBlockTest.json"), []string{}, t)
 }
 
 func TestBcTotalDifficulty(t *testing.T) {
-	runBlockTestsInFile("files/BlockTests/bcTotalDifficultyTest.json", []string{}, t)
+	runBlockTestsInFile(filepath.Join(blockTestDir, "bcTotalDifficultyTest.json"), []string{}, t)
 }
 
 func TestBcWallet(t *testing.T) {
-	runBlockTestsInFile("files/BlockTests/bcWalletTest.json", []string{}, t)
+	runBlockTestsInFile(filepath.Join(blockTestDir, "bcWalletTest.json"), []string{}, t)
 }
diff --git a/tests/state_test.go b/tests/state_test.go
index 5e7be124b..fa000ec53 100644
--- a/tests/state_test.go
+++ b/tests/state_test.go
@@ -1,64 +1,70 @@
 package tests
 
-import "testing"
+import (
+	"os"
+	"path/filepath"
+	"testing"
+)
+
+var stateTestDir = filepath.Join(baseDir, "StateTests")
 
 func TestStateSystemOperations(t *testing.T) {
-	const fn = "../files/StateTests/stSystemOperationsTest.json"
+	fn := filepath.Join(stateTestDir, "stSystemOperationsTest.json")
 	RunVmTest(fn, t)
 }
 
 func TestStateExample(t *testing.T) {
-	const fn = "../files/StateTests/stExample.json"
+	fn := filepath.Join(stateTestDir, "stExample.json")
 	RunVmTest(fn, t)
 }
 
 func TestStatePreCompiledContracts(t *testing.T) {
-	const fn = "../files/StateTests/stPreCompiledContracts.json"
+	fn := filepath.Join(stateTestDir, "stPreCompiledContracts.json")
 	RunVmTest(fn, t)
 }
 
 func TestStateRecursiveCreate(t *testing.T) {
-	const fn = "../files/StateTests/stRecursiveCreate.json"
+	fn := filepath.Join(stateTestDir, "stRecursiveCreate.json")
 	RunVmTest(fn, t)
 }
 
 func TestStateSpecial(t *testing.T) {
-	const fn = "../files/StateTests/stSpecialTest.json"
+	fn := filepath.Join(stateTestDir, "stSpecialTest.json")
 	RunVmTest(fn, t)
 }
 
 func TestStateRefund(t *testing.T) {
-	const fn = "../files/StateTests/stRefundTest.json"
+	fn := filepath.Join(stateTestDir, "stRefundTest.json")
 	RunVmTest(fn, t)
 }
 
 func TestStateBlockHash(t *testing.T) {
-	const fn = "../files/StateTests/stBlockHashTest.json"
+	fn := filepath.Join(stateTestDir, "stBlockHashTest.json")
 	RunVmTest(fn, t)
 }
 
 func TestStateInitCode(t *testing.T) {
-	const fn = "../files/StateTests/stInitCodeTest.json"
+	fn := filepath.Join(stateTestDir, "stInitCodeTest.json")
 	RunVmTest(fn, t)
 }
 
 func TestStateLog(t *testing.T) {
-	const fn = "../files/StateTests/stLogTests.json"
+	fn := filepath.Join(stateTestDir, "stLogTests.json")
 	RunVmTest(fn, t)
 }
 
 func TestStateTransaction(t *testing.T) {
-	const fn = "../files/StateTests/stTransactionTest.json"
+	fn := filepath.Join(stateTestDir, "stTransactionTest.json")
 	RunVmTest(fn, t)
 }
 
 func TestCallCreateCallCode(t *testing.T) {
-	const fn = "../files/StateTests/stCallCreateCallCodeTest.json"
+	fn := filepath.Join(stateTestDir, "stCallCreateCallCodeTest.json")
 	RunVmTest(fn, t)
 }
 
 func TestMemory(t *testing.T) {
-	const fn = "../files/StateTests/stMemoryTest.json"
+	fn := filepath.Join(stateTestDir, "stMemoryTest.json")
 	RunVmTest(fn, t)
 }
 
@@ -66,7 +72,7 @@ func TestMemoryStress(t *testing.T) {
 	if os.Getenv("TEST_VM_COMPLEX") == "" {
 		t.Skip()
 	}
-	const fn = "../files/StateTests/stMemoryStressTest.json"
+	fn := filepath.Join(stateTestDir, "stMemoryStressTest.json")
 	RunVmTest(fn, t)
 }
 
@@ -74,22 +80,22 @@ func TestQuadraticComplexity(t *testing.T) {
 	if os.Getenv("TEST_VM_COMPLEX") == "" {
 		t.Skip()
 	}
-	const fn = "../files/StateTests/stQuadraticComplexityTest.json"
+	fn := filepath.Join(stateTestDir, "stQuadraticComplexityTest.json")
 	RunVmTest(fn, t)
 }
 
 func TestSolidity(t *testing.T) {
-	const fn = "../files/StateTests/stSolidityTest.json"
+	fn := filepath.Join(stateTestDir, "stSolidityTest.json")
 	RunVmTest(fn, t)
 }
 
 func TestWallet(t *testing.T) {
-	const fn = "../files/StateTests/stWalletTest.json"
+	fn := filepath.Join(stateTestDir, "stWalletTest.json")
 	RunVmTest(fn, t)
 }
 
 func TestStateTestsRandom(t *testing.T) {
-	fns, _ := filepath.Glob("../files/StateTests/RandomTests/*")
+	fns, _ := filepath.Glob("./files/StateTests/RandomTests/*")
 	for _, fn := range fns {
 		RunVmTest(fn, t)
 	}
diff --git a/tests/transaction_test.go b/tests/transaction_test.go
index 7ae1c8788..05942d3bf 100644
--- a/tests/transaction_test.go
+++ b/tests/transaction_test.go
@@ -1,9 +1,12 @@
 package tests
 
 import (
+	"path/filepath"
 	"testing"
 )
 
+var transactionTestDir = filepath.Join(baseDir, "TransactionTests")
+
 func TestTransactions(t *testing.T) {
 	notWorking := make(map[string]bool, 100)
 
@@ -17,7 +20,7 @@ func TestTransactions(t *testing.T) {
 	}
 
 	var err error
-	err = RunTransactionTests("./files/TransactionTests/ttTransactionTest.json",
+	err = RunTransactionTests(filepath.Join(transactionTestDir, "ttTransactionTest.json"),
 		notWorking)
 	if err != nil {
 		t.Fatal(err)
@@ -27,7 +30,7 @@ func TestTransactions(t *testing.T) {
 func TestWrongRLPTransactions(t *testing.T) {
 	notWorking := make(map[string]bool, 100)
 	var err error
-	err = RunTransactionTests("./files/TransactionTests/ttWrongRLPTransaction.json",
+	err = RunTransactionTests(filepath.Join(transactionTestDir, "ttWrongRLPTransaction.json"),
 		notWorking)
 	if err != nil {
 		t.Fatal(err)
@@ -37,7 +40,7 @@ func TestWrongRLPTransactions(t *testing.T) {
 func Test10MBtx(t *testing.T) {
 	notWorking := make(map[string]bool, 100)
 	var err error
-	err = RunTransactionTests("./files/TransactionTests/tt10mbDataField.json",
+	err = RunTransactionTests(filepath.Join(transactionTestDir, "tt10mbDataField.json"),
 		notWorking)
 	if err != nil {
 		t.Fatal(err)
diff --git a/tests/vm_test.go b/tests/vm_test.go
index b42f83df8..faa3205bc 100644
--- a/tests/vm_test.go
+++ b/tests/vm_test.go
@@ -1,77 +1,80 @@
 package tests
 
 import (
+	"path/filepath"
 	"testing"
 )
 
+var vmTestDir = filepath.Join(baseDir, "VMTests")
+
 // I've created a new function for each tests so it's easier to identify where the problem lies if any of them fail.
 func TestVMArithmetic(t *testing.T) {
-	const fn = "../files/VMTests/vmArithmeticTest.json"
+	fn := filepath.Join(vmTestDir, "vmArithmeticTest.json")
 	RunVmTest(fn, t)
 }
 
 func TestBitwiseLogicOperation(t *testing.T) {
-	const fn = "../files/VMTests/vmBitwiseLogicOperationTest.json"
+	fn := filepath.Join(vmTestDir, "vmBitwiseLogicOperationTest.json")
 	RunVmTest(fn, t)
 }
 
 func TestBlockInfo(t *testing.T) {
-	const fn = "../files/VMTests/vmBlockInfoTest.json"
+	fn := filepath.Join(vmTestDir, "vmBlockInfoTest.json")
 	RunVmTest(fn, t)
 }
 
 func TestEnvironmentalInfo(t *testing.T) {
-	const fn = "../files/VMTests/vmEnvironmentalInfoTest.json"
+	fn := filepath.Join(vmTestDir, "vmEnvironmentalInfoTest.json")
 	RunVmTest(fn, t)
 }
 
 func TestFlowOperation(t *testing.T) {
-	const fn = "../files/VMTests/vmIOandFlowOperationsTest.json"
+	fn := filepath.Join(vmTestDir, "vmIOandFlowOperationsTest.json")
 	RunVmTest(fn, t)
 }
 
 func TestLogTest(t *testing.T) {
-	const fn = "../files/VMTests/vmLogTest.json"
+	fn := filepath.Join(vmTestDir, "vmLogTest.json")
 	RunVmTest(fn, t)
 }
 
 func TestPerformance(t *testing.T) {
-	const fn = "../files/VMTests/vmPerformanceTest.json"
+	fn := filepath.Join(vmTestDir, "vmPerformanceTest.json")
 	RunVmTest(fn, t)
 }
 
 func TestPushDupSwap(t *testing.T) {
-	const fn = "../files/VMTests/vmPushDupSwapTest.json"
+	fn := filepath.Join(vmTestDir, "vmPushDupSwapTest.json")
 	RunVmTest(fn, t)
 }
 
 func TestVMSha3(t *testing.T) {
-	const fn = "../files/VMTests/vmSha3Test.json"
+	fn := filepath.Join(vmTestDir, "vmSha3Test.json")
 	RunVmTest(fn, t)
 }
 
 func TestVm(t *testing.T) {
-	const fn = "../files/VMTests/vmtests.json"
+	fn := filepath.Join(vmTestDir, "vmtests.json")
 	RunVmTest(fn, t)
 }
 
 func TestVmLog(t *testing.T) {
-	const fn = "../files/VMTests/vmLogTest.json"
+	fn := filepath.Join(vmTestDir, "vmLogTest.json")
 	RunVmTest(fn, t)
 }
 
 func TestInputLimits(t *testing.T) {
-	const fn = "../files/VMTests/vmInputLimits.json"
+	fn := filepath.Join(vmTestDir, "vmInputLimits.json")
 	RunVmTest(fn, t)
 }
 
 func TestInputLimitsLight(t *testing.T) {
-	const fn = "../files/VMTests/vmInputLimitsLight.json"
+	fn := filepath.Join(vmTestDir, "vmInputLimitsLight.json")
 	RunVmTest(fn, t)
 }
 
 func TestVMRandom(t *testing.T) {
-	fns, _ := filepath.Glob("../files/VMTests/RandomTests/*")
+	fns, _ := filepath.Glob(filepath.Join(baseDir, "RandomTests", "*"))
 	for _, fn := range fns {
 		RunVmTest(fn, t)
 	}