fix(tests): Add missing newlines to output

Author: lucasssvaz

tests/performance/coremark/coremark.ino

@@ -40,7 +40,7 @@ void setup() {
   Serial.printf("Cores: %d\n", CONFIG_SOC_CPU_CORES_NUM);
   Serial.flush();
   for (int i = 0; i < N_RUNS; i++) {
-    Serial.printf("Run %d", i);
+    Serial.printf("Run %d\n", i);
     coremark_main();
     Serial.flush();
   }

tests/performance/fibonacci/fibonacci.ino

@@ -31,7 +31,7 @@ void setup() {
   Serial.printf("N: %d\n", FIB_N);
   Serial.flush();
   for (int i = 0; i < N_RUNS; i++) {
-    Serial.printf("Run %d", i);
+    Serial.printf("Run %d\n", i);
     unsigned long start = millis();
     fibonacci = fib(FIB_N);
     unsigned long elapsed = millis() - start;

tests/performance/psramspeed/psramspeed.ino

@@ -252,7 +252,7 @@ void setup() {
   Serial.printf("Max test size: %d\n", MAX_TEST_SIZE);
   Serial.flush();
   for (int i = 0; i < N_RUNS; i++) {
-    Serial.printf("Run %d", i);
+    Serial.printf("Run %d\n", i);
     memcpy_speed_test(dest, src, MAX_TEST_SIZE, N_COPIES);
     Serial.flush();
     memset_speed_test(dest, FILL_VALUE, MAX_TEST_SIZE, N_COPIES);

tests/performance/ramspeed/ramspeed.ino

@@ -248,7 +248,7 @@ void setup() {
   Serial.printf("Max test size: %d\n", MAX_TEST_SIZE);
   Serial.flush();
   for (int i = 0; i < N_RUNS; i++) {
-    Serial.printf("Run %d", i);
+    Serial.printf("Run %d\n", i);
     memcpy_speed_test(dest, src, MAX_TEST_SIZE, N_COPIES);
     Serial.flush();
     memset_speed_test(dest, FILL_VALUE, MAX_TEST_SIZE, N_COPIES);

tests/performance/superpi/superpi.ino

@@ -25,7 +25,7 @@ void setup() {
   Serial.printf("Digits: %d\n", DIGITS);
   Serial.flush();
   for (int i = 0; i < N_RUNS; i++) {
-    Serial.printf("Run %d", i);
+    Serial.printf("Run %d\n", i);
     unsigned long start = millis();
     pi_calc(DIGITS);
     unsigned long elapsed = millis() - start;