Add test class name check

Author: schedutron

Diff for: script/validators/source_validator.py

@@ -202,6 +202,26 @@ def check_includes(file_path):
     return file_status
 
 
+def check_tests(file_path):
+    """Checks test source files for correct class and method naming."""
+    # check class naming
+    file_status = True
+    line_num = 0
+    with open(file_path, "r") as file:
+        for line in file:
+            line_num += 1
+            if line.startswith('class '):
+                class_name = line.split(' ')[1]
+                if not class_name.endswith('Tests'):
+                    if file_status:
+                        LOG.info("Invalid class name in %s", file_path)
+                    file_status = False
+                    LOG.info("Line %s: %s", line_num, line.strip())
+        if not file_status:
+            LOG.info("Test class names should end with 'Tests' suffix.")
+    return file_status
+    # check method naming
+
 VALIDATORS = [
     check_common_patterns,
     check_includes,