diff --git a/src/objective-c/tests/CronetUnitTests/CronetUnitTests.m b/src/objective-c/tests/CronetUnitTests/CronetUnitTests.m
index e97f3d2d1a9edbbc99b5a4f111f7df4d1c60390e..a76e45416bf75f5767bf2b4a6cf869f0ef6e7a72 100644
--- a/src/objective-c/tests/CronetUnitTests/CronetUnitTests.m
+++ b/src/objective-c/tests/CronetUnitTests/CronetUnitTests.m
@@ -187,6 +187,18 @@ unsigned int parse_h2_length(const char *field) {
   grpc_metadata_array_init(&request_metadata_recv);
   grpc_call_details_init(&call_details);
 
+  int sl = socket(AF_INET, SOCK_STREAM, 0);
+  GPR_ASSERT(sl >= 0);
+
+  // Make an TCP endpoint to accept the connection
+  struct sockaddr_in s_addr;
+  memset(&s_addr, 0, sizeof(s_addr));
+  s_addr.sin_family = AF_INET;
+  s_addr.sin_addr.s_addr = htonl(INADDR_ANY);
+  s_addr.sin_port = htons(port);
+  GPR_ASSERT(0 == bind(sl, (struct sockaddr *)&s_addr, sizeof(s_addr)));
+  GPR_ASSERT(0 == listen(sl, 5));
+
   memset(ops, 0, sizeof(ops));
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
@@ -226,17 +238,6 @@ unsigned int parse_h2_length(const char *field) {
 
   dispatch_async(
       dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
-        int sl = socket(AF_INET, SOCK_STREAM, 0);
-        GPR_ASSERT(sl >= 0);
-
-        // Make and TCP endpoint to accept the connection
-        struct sockaddr_in s_addr;
-        memset(&s_addr, 0, sizeof(s_addr));
-        s_addr.sin_family = AF_INET;
-        s_addr.sin_addr.s_addr = htonl(INADDR_ANY);
-        s_addr.sin_port = htons(port);
-        GPR_ASSERT(0 == bind(sl, (struct sockaddr *)&s_addr, sizeof(s_addr)));
-        GPR_ASSERT(0 == listen(sl, 5));
         int s = accept(sl, NULL, NULL);
         GPR_ASSERT(s >= 0);
 
@@ -324,17 +325,18 @@ unsigned int parse_h2_length(const char *field) {
   __weak XCTestExpectation *expectation =
       [self expectationWithDescription:@"Coalescing"];
 
+  int sl = socket(AF_INET, SOCK_STREAM, 0);
+  GPR_ASSERT(sl >= 0);
+  struct sockaddr_in s_addr;
+  memset(&s_addr, 0, sizeof(s_addr));
+  s_addr.sin_family = AF_INET;
+  s_addr.sin_addr.s_addr = htonl(INADDR_ANY);
+  s_addr.sin_port = htons(port);
+  GPR_ASSERT(0 == bind(sl, (struct sockaddr *)&s_addr, sizeof(s_addr)));
+  GPR_ASSERT(0 == listen(sl, 5));
+
   dispatch_async(
       dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
-        int sl = socket(AF_INET, SOCK_STREAM, 0);
-        GPR_ASSERT(sl >= 0);
-        struct sockaddr_in s_addr;
-        memset(&s_addr, 0, sizeof(s_addr));
-        s_addr.sin_family = AF_INET;
-        s_addr.sin_addr.s_addr = htonl(INADDR_ANY);
-        s_addr.sin_port = htons(port);
-        GPR_ASSERT(0 == bind(sl, (struct sockaddr *)&s_addr, sizeof(s_addr)));
-        GPR_ASSERT(0 == listen(sl, 5));
         int s = accept(sl, NULL, NULL);
         GPR_ASSERT(s >= 0);
         struct timeval tv;
@@ -389,9 +391,6 @@ unsigned int parse_h2_length(const char *field) {
         [expectation fulfill];
       });
 
-  // Guarantees that server is listening to the port before client connects.
-  sleep(1);
-
   memset(ops, 0, sizeof(ops));
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;