Revert "added two new testcases for backoff.go"

backoff_test.go

@@ -1,10 +1,6 @@
 package grpc
 
-import ( 
+import "testing"
-	"testing"
-	"math/rand"
-	"time"
-)
 
 func TestBackoffConfigDefaults(t *testing.T) {
 	b := BackoffConfig{}
@@ -13,36 +9,3 @@ func TestBackoffConfigDefaults(t *testing.T) {
 		t.Fatalf("expected BackoffConfig to pickup default parameters: %v != %v", b, DefaultBackoffConfig)
 	}
 }
-
-func TestBackoffWitDifferentNumberOfRetries(t *testing.T) {
-	const MAX_RETRIES = 10
-	randSrc := rand.NewSource(time.Now().UnixNano())
-	randGen := rand.New(randSrc)
-	for i := 0; i < 5; i++ {
-		// generate a randon number, between 0 and MAX_RETRIES, to be used as number of retries
-		retries := randGen.Intn(MAX_RETRIES)
-		b := BackoffConfig{}
-		setDefaults(&b)
-		backoffTime := b.backoff(retries)
-		// backoff time should be between basedelay and max delay
-		if backoffTime < b.baseDelay || backoffTime > b.MaxDelay {
-			t.Fatalf("expected backoff time: %v to be between basedelay: %v and maxdelay: %v",backoffTime,b.baseDelay,b.MaxDelay)
-		}
-	}
-}
-
-func TestBackOffTimeIncreasesWithRetries(t *testing.T) {
-	const MAX_RETRIES = 10
-	b := BackoffConfig{}
-	setDefaults(&b)
-	// base delay
-	lastBackOffTime := b.backoff(0)
-	for retries := 1; retries <= MAX_RETRIES; retries++ {
-		backoffTime := b.backoff(retries)
-		// backoff time should increase as number of retries increase
-		if backoffTime <= lastBackOffTime {
-			t.Fatalf("backoffTime for %v retries : %v is smaller than backoffTime for %v retries: %v",retries,backoffTime,retries-1,lastBackOffTime)
-		}
-		lastBackOffTime = backoffTime
-	}
-}