fix an error and ran go fmt

ringbuffer/RingBuffer_test.go

@@ -34,11 +34,11 @@ import (
 )
 
 const (
-	testBufferSize = 10
-	testElementSize = 1
-	testOverFlowSize = 5
-	testDataSize = 1
-	testConcurrencyBufferSize = 1000;
+	testBufferSize            = 10
+	testElementSize           = 1
+	testOverFlowSize          = 5
+	testDataSize              = 1
+	testConcurrencyBufferSize = 1000
 )
 
 var rb *ringBuffer
@@ -222,7 +222,7 @@ func TestWritingAndReading5(t *testing.T) {
 // Test writing to size, then read some, then 'write' to test that we go back
 // to start of buffer
 func TestWritingAndReading6(t *testing.T) {
-	rb = NewRingBuffer(testOverFlowSize, 10)
+	rb = NewRingBuffer(testOverFlowSize, testElementSize)
 	var err1 error
 	var err2 error
 	for i := 0; i < testOverFlowSize; i++ {