Improve bash test target log by:

* Adding a timestamp above when a test is run so logs are easier to chase down
* Insert new line after test log output to avoid cases where the test output doesn't add one.

PiperOrigin-RevId: 316561771
diff --git a/src/test/shell/unittest.bash b/src/test/shell/unittest.bash
index 6b9e8e4..3894e41 100644
--- a/src/test/shell/unittest.bash
+++ b/src/test/shell/unittest.bash
@@ -683,6 +683,7 @@
 
       total=$(($total + 1))
       if [[ "$TEST_verbose" == "true" ]]; then
+          date >&2
           __pad $TEST_name '*' >&2
       fi
 
@@ -739,6 +740,10 @@
       local green='\033[0;32m'
       local no_color='\033[0m'
 
+      if [[ "$TEST_verbose" == "true" ]]; then
+          echo >&2
+      fi
+
       if [[ "$TEST_passed" == "true" ]]; then
         if [[ "$TEST_verbose" == "true" ]]; then
           echo -e "${green}PASSED${no_color}: $TEST_name" >&2