Return error up stack instead of passing testing var down

tests/vm_test.go

@@ -10,72 +10,100 @@ 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) {
 	fn := filepath.Join(vmTestDir, "vmArithmeticTest.json")
-	RunVmTest(fn, t)
+	if err := RunVmTest(fn); err != nil {
+		t.Error(err)
+	}
 }
 
 func TestBitwiseLogicOperation(t *testing.T) {
 	fn := filepath.Join(vmTestDir, "vmBitwiseLogicOperationTest.json")
-	RunVmTest(fn, t)
+	if err := RunVmTest(fn); err != nil {
+		t.Error(err)
+	}
 }
 
 func TestBlockInfo(t *testing.T) {
 	fn := filepath.Join(vmTestDir, "vmBlockInfoTest.json")
-	RunVmTest(fn, t)
+	if err := RunVmTest(fn); err != nil {
+		t.Error(err)
+	}
 }
 
 func TestEnvironmentalInfo(t *testing.T) {
 	fn := filepath.Join(vmTestDir, "vmEnvironmentalInfoTest.json")
-	RunVmTest(fn, t)
+	if err := RunVmTest(fn); err != nil {
+		t.Error(err)
+	}
 }
 
 func TestFlowOperation(t *testing.T) {
 	fn := filepath.Join(vmTestDir, "vmIOandFlowOperationsTest.json")
-	RunVmTest(fn, t)
+	if err := RunVmTest(fn); err != nil {
+		t.Error(err)
+	}
 }
 
 func TestLogTest(t *testing.T) {
 	fn := filepath.Join(vmTestDir, "vmLogTest.json")
-	RunVmTest(fn, t)
+	if err := RunVmTest(fn); err != nil {
+		t.Error(err)
+	}
 }
 
 func TestPerformance(t *testing.T) {
 	fn := filepath.Join(vmTestDir, "vmPerformanceTest.json")
-	RunVmTest(fn, t)
+	if err := RunVmTest(fn); err != nil {
+		t.Error(err)
+	}
 }
 
 func TestPushDupSwap(t *testing.T) {
 	fn := filepath.Join(vmTestDir, "vmPushDupSwapTest.json")
-	RunVmTest(fn, t)
+	if err := RunVmTest(fn); err != nil {
+		t.Error(err)
+	}
 }
 
 func TestVMSha3(t *testing.T) {
 	fn := filepath.Join(vmTestDir, "vmSha3Test.json")
-	RunVmTest(fn, t)
+	if err := RunVmTest(fn); err != nil {
+		t.Error(err)
+	}
 }
 
 func TestVm(t *testing.T) {
 	fn := filepath.Join(vmTestDir, "vmtests.json")
-	RunVmTest(fn, t)
+	if err := RunVmTest(fn); err != nil {
+		t.Error(err)
+	}
 }
 
 func TestVmLog(t *testing.T) {
 	fn := filepath.Join(vmTestDir, "vmLogTest.json")
-	RunVmTest(fn, t)
+	if err := RunVmTest(fn); err != nil {
+		t.Error(err)
+	}
 }
 
 func TestInputLimits(t *testing.T) {
 	fn := filepath.Join(vmTestDir, "vmInputLimits.json")
-	RunVmTest(fn, t)
+	if err := RunVmTest(fn); err != nil {
+		t.Error(err)
+	}
 }
 
 func TestInputLimitsLight(t *testing.T) {
 	fn := filepath.Join(vmTestDir, "vmInputLimitsLight.json")
-	RunVmTest(fn, t)
+	if err := RunVmTest(fn); err != nil {
+		t.Error(err)
+	}
 }
 
 func TestVMRandom(t *testing.T) {
 	fns, _ := filepath.Glob(filepath.Join(baseDir, "RandomTests", "*"))
 	for _, fn := range fns {
-		RunVmTest(fn, t)
+		if err := RunVmTest(fn); err != nil {
+			t.Error(err)
+		}
 	}
 }