include the message in exception hash for symmetry with equals()

another test case for jacoco

Author: evanchooly

dd-java-agent/agent-debugger/debugger-el/src/main/java/com/datadog/debugger/el/EvaluationException.java

@@ -26,12 +26,14 @@ public final boolean equals(Object o) {
     }
 
     EvaluationException that = (EvaluationException) o;
-    return Objects.equals(getMessage(), that.getMessage())
-        && Objects.equals(getExpr(), that.getExpr());
+    return Objects.equals(getExpr(), that.getExpr())
+        && Objects.equals(getMessage(), that.getMessage());
   }
 
   @Override
   public int hashCode() {
-    return Objects.hashCode(getExpr());
+    int result = Objects.hashCode(getExpr());
+    result = 31 * result + Objects.hashCode(getMessage());
+    return result;
   }
 }

dd-java-agent/agent-debugger/src/test/java/com/datadog/debugger/trigger/TriggerProbeTest.java

@@ -234,4 +234,27 @@ public void sampling() throws IOException, URISyntaxException {
       ProbeRateLimiter.setSamplerSupplier(null);
     }
   }
+
+  @Test
+  public void noSampling() throws IOException, URISyntaxException {
+    try {
+      MockSampler sampler = new MockSampler();
+      ProbeRateLimiter.setSamplerSupplier(value -> sampler);
+
+      final String className = "com.datadog.debugger.TriggerProbe01";
+      TriggerProbe probe1 =
+          createTriggerProbe(
+              TRIGGER_PROBE_ID1, TRIGGER_PROBE_SESSION_ID, className, "entry", "()", null, null);
+      Configuration config = Configuration.builder().setService(SERVICE_NAME).add(probe1).build();
+      installProbes(config);
+      Class<?> testClass = compileAndLoadClass(className);
+      for (int i = 0; i < 100; i++) {
+        Reflect.onClass(testClass).call("main", "").get();
+      }
+
+      assertTrue(sampler.getCallCount() != 0);
+    } finally {
+      ProbeRateLimiter.setSamplerSupplier(null);
+    }
+  }
 }