chore(tests): remove unused test samples and added more tests in test_page

Author: Shifat7

samples/snippets/test_token_confidence_sample.py

@@ -252,6 +252,17 @@ def test_Block(docproto):
 
     assert block.paragraphs
 
+    # Check confidence value
+    assert isinstance(block.confidence, float)
+    assert 0.0 <= block.confidence <= 1.0
+    
+    # Check detected languages
+    assert isinstance(block.detected_languages, list)
+    if block.detected_languages:
+        for language in block.detected_languages:
+            assert isinstance(language, documentai.Document.Page.DetectedLanguage)
+            assert hasattr(language, "language_code")
+
 
 def test_Paragraph(docproto):
     wrapped_page = page.Page(
@@ -268,6 +279,17 @@ def test_Paragraph(docproto):
 
     assert paragraph.lines
 
+    # Check confidence value
+    assert isinstance(paragraph.confidence, float)
+    assert 0.0 <= paragraph.confidence <= 1.0
+    
+    # Check detected languages
+    assert isinstance(paragraph.detected_languages, list)
+    if paragraph.detected_languages:
+        for language in paragraph.detected_languages:
+            assert isinstance(language, documentai.Document.Page.DetectedLanguage)
+            assert hasattr(language, "language_code")
+
 
 def test_Line(docproto):
     wrapped_page = page.Page(
@@ -284,6 +306,17 @@ def test_Line(docproto):
 
     assert line.tokens
 
+    # Check confidence value
+    assert isinstance(line.confidence, float)
+    assert 0.0 <= line.confidence <= 1.0
+    
+    # Check detected languages
+    assert isinstance(line.detected_languages, list)
+    if line.detected_languages:
+        for language in line.detected_languages:
+            assert isinstance(language, documentai.Document.Page.DetectedLanguage)
+            assert hasattr(language, "language_code")
+
 
 def test_Token(docproto):
     wrapped_page = page.Page(