ESQL: Fix test class casing (#137177)

* Fix casing of StdDevOverTimeTests class name

This seems to have tripped other tests that dynamically load classes.

* Unmute CommandLicenseTests

Author: alex-spies

muted-tests.yml

@@ -516,9 +516,6 @@ tests:
 - class: org.elasticsearch.cluster.routing.allocation.decider.WriteLoadConstraintDeciderIT
   method: testCanRemainNotPreferredIsIgnoredWhenAllOtherNodesReturnNotPreferred
   issue: https://github.com/elastic/elasticsearch/issues/137162
-- class: org.elasticsearch.xpack.esql.plan.logical.CommandLicenseTests
-  method: testLicenseCheck
-  issue: https://github.com/elastic/elasticsearch/issues/137168
 
 # Examples:
 #

x-pack/plugin/esql/src/test/java/org/elasticsearch/xpack/esql/expression/function/aggregate/StddevOverTimeTests.java renamed to x-pack/plugin/esql/src/test/java/org/elasticsearch/xpack/esql/expression/function/aggregate/StdDevOverTimeTests.java

@@ -17,8 +17,8 @@
 import java.util.List;
 import java.util.function.Supplier;
 
-public class StddevOverTimeTests extends AbstractFunctionTestCase {
-    public StddevOverTimeTests(Supplier<TestCaseSupplier.TestCase> testCaseSupplier) {
+public class StdDevOverTimeTests extends AbstractFunctionTestCase {
+    public StdDevOverTimeTests(Supplier<TestCaseSupplier.TestCase> testCaseSupplier) {
         testCase = testCaseSupplier.get();
     }