[Misc] Clean up test docstrings and names (#17521)

Signed-off-by: DarkLight1337 <tlleungac@connect.ust.hk>

tests/models/language/pooling/test_truncation_control.py

@@ -5,18 +5,18 @@ MODEL_NAME = "sentence-transformers/all-MiniLM-L12-v2"
 max_model_len = 128
 
 input_str = """Immerse yourself in the enchanting chronicle of calculus, a 
-    mathematical domain that has radically transformed our comprehension of 
-    change and motion. Despite its roots in ancient civilizations, the 
-    formal birth of calculus predominantly occurred in the 17th century, 
-    primarily under the influential guidance of Sir Isaac Newton and Gottfried 
-    Wilhelm Leibniz. The earliest traces of calculus concepts are found in 
-    ancient Greek mathematics,most notably in the works of Eudoxus and 
-    Archimedes, around 300 BCE. They utilized the 'method of exhaustion'—a 
-    technique for computing areas and volumes through the use of finite sums. 
-    This methodology laid crucial foundational work for integral calculus. 
-    In the 17th century, both Newton and Leibniz independently pioneered 
-    calculus, each contributing unique perspectives that would shape this new 
-    field."""
+mathematical domain that has radically transformed our comprehension of 
+change and motion. Despite its roots in ancient civilizations, the 
+formal birth of calculus predominantly occurred in the 17th century, 
+primarily under the influential guidance of Sir Isaac Newton and Gottfried 
+Wilhelm Leibniz. The earliest traces of calculus concepts are found in 
+ancient Greek mathematics,most notably in the works of Eudoxus and 
+Archimedes, around 300 BCE. They utilized the 'method of exhaustion'—a 
+technique for computing areas and volumes through the use of finite sums. 
+This methodology laid crucial foundational work for integral calculus. 
+In the 17th century, both Newton and Leibniz independently pioneered 
+calculus, each contributing unique perspectives that would shape this new 
+field."""
 
 
 def test_smaller_truncation_size(vllm_runner,