diff --git a/ddtrace/opentelemetry/otel_test.go b/ddtrace/opentelemetry/otel_test.go
index 78c17670f9..036762dfc1 100644
--- a/ddtrace/opentelemetry/otel_test.go
+++ b/ddtrace/opentelemetry/otel_test.go
@@ -23,7 +23,7 @@ import (
 
 func TestHttpDistributedTrace(t *testing.T) {
 	assert := assert.New(t)
-	tp, payloads, cleanup := mockTracerProvider(t)
+	tp, cleanup := mockTracerProvider(t)
 	defer cleanup()
 	otel.SetTracerProvider(tp)
 	otel.SetTextMapPropagator(propagation.TraceContext{})
diff --git a/ddtrace/opentelemetry/span_test.go b/ddtrace/opentelemetry/span_test.go
index 243ef5f662..01b4f43bb9 100644
--- a/ddtrace/opentelemetry/span_test.go
+++ b/ddtrace/opentelemetry/span_test.go
@@ -13,6 +13,7 @@ import (
 	"fmt"
 	"io"
 	"net/http"
+	"os"
 	"strings"
 	"testing"
 	"time"
@@ -29,11 +30,10 @@ import (
 	oteltrace "go.opentelemetry.io/otel/trace"
 )
 
-type traces [][]map[string]interface{}
-
-func mockTracerProvider(t *testing.T, opts ...tracer.StartOption) (tp *TracerProvider, payloads chan traces, cleanup func()) {
+func TestMain(m *testing.M) {
 	payloads = make(chan traces)
-	s, c := httpmem.ServerAndClient(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+	var server *http.Server
+	server, client = httpmem.ServerAndClient(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
 		switch r.URL.Path {
 		case "/v0.4/traces":
 			if h := r.Header.Get("X-Datadog-Trace-Count"); h == "0" {
@@ -43,17 +43,17 @@ func mockTracerProvider(t *testing.T, opts ...tracer.StartOption) (tp *TracerPro
 			defer req.Body.Close()
 			buf, err := io.ReadAll(req.Body)
 			if err != nil || len(buf) == 0 {
-				t.Fatalf("Test agent: Error receiving traces: %v", err)
+				panic(fmt.Sprintf("Test agent: Error receiving traces: %v", err))
 			}
 			var payload bytes.Buffer
 			_, err = msgp.UnmarshalAsJSON(&payload, buf)
 			if err != nil {
-				t.Fatalf("Failed to unmarshal payload bytes as JSON: %v", err)
+				panic(fmt.Sprintf("Failed to unmarshal payload bytes as JSON: %v", err))
 			}
 			var tr [][]map[string]interface{}
 			err = json.Unmarshal(payload.Bytes(), &tr)
 			if err != nil || len(tr) == 0 {
-				t.Fatalf("Failed to unmarshal payload bytes as trace: %v", err)
+				panic(fmt.Sprintf("Failed to unmarshal payload bytes as trace: %v", err))
 			}
 			payloads <- tr
 		default:
@@ -67,11 +67,25 @@ func mockTracerProvider(t *testing.T, opts ...tracer.StartOption) (tp *TracerPro
 		}
 		w.WriteHeader(200)
 	}))
-	opts = append(opts, tracer.WithHTTPClient(c))
+
+	errCode := m.Run()
+	server.Close()
+	close(payloads)
+	os.Exit(errCode)
+}
+
+var (
+	payloads chan traces
+	client   *http.Client
+)
+
+type traces [][]map[string]interface{}
+
+func mockTracerProvider(t *testing.T, opts ...tracer.StartOption) (tp *TracerProvider, cleanup func()) {
+	opts = append(opts, tracer.WithHTTPClient(client))
 	tp = NewTracerProvider(opts...)
 	otel.SetTracerProvider(tp)
-	return tp, payloads, func() {
-		s.Close()
+	return tp, func() {
 		tp.Shutdown()
 	}
 }
@@ -90,7 +104,7 @@ func TestSpanResourceNameDefault(t *testing.T) {
 	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
 	defer cancel()
 
-	_, payloads, cleanup := mockTracerProvider(t)
+	_, cleanup := mockTracerProvider(t)
 	tr := otel.Tracer("")
 	defer cleanup()
 
@@ -112,7 +126,7 @@ func TestSpanSetName(t *testing.T) {
 	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
 	defer cancel()
 
-	_, payloads, cleanup := mockTracerProvider(t)
+	_, cleanup := mockTracerProvider(t)
 	tr := otel.Tracer("")
 	defer cleanup()
 
@@ -133,7 +147,7 @@ func TestSpanEnd(t *testing.T) {
 	assert := assert.New(t)
 	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
 	defer cancel()
-	_, payloads, cleanup := mockTracerProvider(t)
+	_, cleanup := mockTracerProvider(t)
 	tr := otel.Tracer("")
 	defer cleanup()
 
@@ -210,7 +224,7 @@ func TestSpanSetStatus(t *testing.T) {
 			ignoredMsg:  "unset_description",
 		},
 	}
-	_, payloads, cleanup := mockTracerProvider(t)
+	_, cleanup := mockTracerProvider(t)
 	tr := otel.Tracer("")
 	defer cleanup()
 
@@ -256,7 +270,7 @@ func TestSpanContextWithStartOptions(t *testing.T) {
 	assert := assert.New(t)
 	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
 	defer cancel()
-	_, payloads, cleanup := mockTracerProvider(t)
+	_, cleanup := mockTracerProvider(t)
 	tr := otel.Tracer("")
 	defer cleanup()
 
@@ -310,7 +324,7 @@ func TestSpanContextWithStartOptionsPriorityOrder(t *testing.T) {
 	assert := assert.New(t)
 	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
 	defer cancel()
-	_, payloads, cleanup := mockTracerProvider(t)
+	_, cleanup := mockTracerProvider(t)
 	tr := otel.Tracer("")
 	defer cleanup()
 
@@ -342,7 +356,7 @@ func TestSpanEndOptionsPriorityOrder(t *testing.T) {
 	assert := assert.New(t)
 	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
 	defer cancel()
-	_, payloads, cleanup := mockTracerProvider(t)
+	_, cleanup := mockTracerProvider(t)
 	tr := otel.Tracer("")
 	defer cleanup()
 
@@ -378,7 +392,7 @@ func TestSpanEndOptions(t *testing.T) {
 	assert := assert.New(t)
 	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
 	defer cancel()
-	_, payloads, cleanup := mockTracerProvider(t)
+	_, cleanup := mockTracerProvider(t)
 	tr := otel.Tracer("")
 	defer cleanup()
 
@@ -416,7 +430,7 @@ func TestSpanSetAttributes(t *testing.T) {
 	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
 	defer cancel()
 
-	_, payloads, cleanup := mockTracerProvider(t)
+	_, cleanup := mockTracerProvider(t)
 	tr := otel.Tracer("")
 	defer cleanup()
 
@@ -477,7 +491,7 @@ func TestSpanSetAttributesWithRemapping(t *testing.T) {
 	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
 	defer cancel()
 
-	_, payloads, cleanup := mockTracerProvider(t)
+	_, cleanup := mockTracerProvider(t)
 	tr := otel.Tracer("")
 	defer cleanup()
 
@@ -500,7 +514,7 @@ func TestTracerStartOptions(t *testing.T) {
 	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
 	defer cancel()
 
-	_, payloads, cleanup := mockTracerProvider(t, tracer.WithEnv("test_env"), tracer.WithService("test_serv"))
+	_, cleanup := mockTracerProvider(t, tracer.WithEnv("test_env"), tracer.WithService("test_serv"))
 	tr := otel.Tracer("")
 	defer cleanup()
 
@@ -522,7 +536,7 @@ func TestOperationNameRemapping(t *testing.T) {
 	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
 	defer cancel()
 
-	_, payloads, cleanup := mockTracerProvider(t)
+	_, cleanup := mockTracerProvider(t)
 	tr := otel.Tracer("")
 	defer cleanup()
 
@@ -650,7 +664,7 @@ func TestRemapName(t *testing.T) {
 	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
 	defer cancel()
 
-	_, payloads, cleanup := mockTracerProvider(t, tracer.WithEnv("test_env"), tracer.WithService("test_serv"))
+	_, cleanup := mockTracerProvider(t, tracer.WithEnv("test_env"), tracer.WithService("test_serv"))
 	tr := otel.Tracer("")
 	defer cleanup()
 
@@ -676,7 +690,7 @@ func TestRemapWithMultipleSetAttributes(t *testing.T) {
 	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
 	defer cancel()
 
-	_, payloads, cleanup := mockTracerProvider(t, tracer.WithEnv("test_env"), tracer.WithService("test_serv"))
+	_, cleanup := mockTracerProvider(t, tracer.WithEnv("test_env"), tracer.WithService("test_serv"))
 	tr := otel.Tracer("")
 	defer cleanup()
 
diff --git a/ddtrace/opentelemetry/tracer_test.go b/ddtrace/opentelemetry/tracer_test.go
index aa4108cc0f..6c8420ec73 100644
--- a/ddtrace/opentelemetry/tracer_test.go
+++ b/ddtrace/opentelemetry/tracer_test.go
@@ -121,6 +121,8 @@ func TestSpanContext(t *testing.T) {
 }
 
 func TestForceFlush(t *testing.T) {
+	tp, cleanup := mockTracerProvider(t)
+	defer cleanup()
 	assert := assert.New(t)
 	const (
 		UNSET = iota
@@ -139,10 +141,8 @@ func TestForceFlush(t *testing.T) {
 	}
 	for _, tc := range testData {
 		t.Run(fmt.Sprintf("Flush success: %t", tc.flushed), func(t *testing.T) {
-			ctx, cancel := context.WithTimeout(context.Background(), time.Second)
+			ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
 			defer cancel()
-			tp, payloads, cleanup := mockTracerProvider(t)
-			defer cleanup()
 
 			flushStatus := UNSET
 			setFlushStatus := func(ok bool) {
@@ -168,8 +168,6 @@ func TestForceFlush(t *testing.T) {
 	}
 
 	t.Run("Flush after shutdown", func(t *testing.T) {
-		tp := NewTracerProvider()
-		otel.SetTracerProvider(tp)
 		testLog := new(log.RecordLogger)
 		defer log.UseLogger(testLog)()