diff --git a/test/ipa/libipa/histogram.cpp b/test/ipa/libipa/histogram.cpp
index 312b88b0786b..5ce84a61b7da 100644
--- a/test/ipa/libipa/histogram.cpp
+++ b/test/ipa/libipa/histogram.cpp
@@ -42,10 +42,19 @@ protected:
 		ASSERT_EQ(hist.quantile(1.0), 2.0);
 		ASSERT_EQ(hist.quantile(0.5), 1.0);
 
+		/* Test quantile in the middle of a bin. */
+		ASSERT_EQ(hist.quantile(0.75), 1.5);
+
+		/* Test quantile smaller than the smallest histogram step. */
+		ASSERT_EQ(hist.quantile(0.001), 0.002);
+
 		ASSERT_EQ(hist.interQuantileMean(0.0, 1.0), 1.0);
 		ASSERT_EQ(hist.interQuantileMean(0.0, 0.5), 0.5);
 		ASSERT_EQ(hist.interQuantileMean(0.5, 1.0), 1.5);
 
+		/* Test interquantile mean that starts and ends in the middle of a bin. */
+		ASSERT_EQ(hist.interQuantileMean(0.25, 0.75), 1.0);
+
 		return TestPass;
 	}
 };
diff --git a/test/ipa/libipa/meson.build b/test/ipa/libipa/meson.build
index f094c1593f1b..83c84bd8c227 100644
--- a/test/ipa/libipa/meson.build
+++ b/test/ipa/libipa/meson.build
@@ -2,7 +2,7 @@
 
 libipa_test = [
     {'name': 'fixedpoint', 'sources': ['fixedpoint.cpp']},
-    {'name': 'histogram', 'sources': ['histogram.cpp']},
+    {'name': 'histogram', 'sources': ['histogram.cpp'], 'should_fail': true},
     {'name': 'interpolator', 'sources': ['interpolator.cpp']},
 ]
 
@@ -14,5 +14,6 @@ foreach test : libipa_test
                      include_directories : [test_includes_internal,
                                             '../../../src/ipa/libipa/'])
 
-    test(test['name'], exe, suite : 'ipa')
+    test(test['name'], exe, suite : 'ipa',
+         should_fail : test.get('should_fail', false))
 endforeach