diff --git a/cirq-core/cirq/transformers/gauge_compiling/cphase_gauge_test.py b/cirq-core/cirq/transformers/gauge_compiling/cphase_gauge_test.py
index dd8c782d55a..87f00de0a4b 100644
--- a/cirq-core/cirq/transformers/gauge_compiling/cphase_gauge_test.py
+++ b/cirq-core/cirq/transformers/gauge_compiling/cphase_gauge_test.py
@@ -17,31 +17,31 @@
 from cirq.transformers.gauge_compiling.gauge_compiling_test_utils import GaugeTester
 
 
-class TestCPhaseGauge(GaugeTester):
+class TestCPhaseGauge_0_3(GaugeTester):
     two_qubit_gate = cirq.CZ**0.3
     gauge_transformer = CPhaseGaugeTransformer
     sweep_must_pass = True
 
 
-class TestCPhaseGauge(GaugeTester):
+class TestCPhaseGauge_m0_3(GaugeTester):
     two_qubit_gate = cirq.CZ ** (-0.3)
     gauge_transformer = CPhaseGaugeTransformer
     sweep_must_pass = True
 
 
-class TestCPhaseGauge(GaugeTester):
+class TestCPhaseGauge_0_1(GaugeTester):
     two_qubit_gate = cirq.CZ**0.1
     gauge_transformer = CPhaseGaugeTransformer
     sweep_must_pass = True
 
 
-class TestCPhaseGauge(GaugeTester):
+class TestCPhaseGauge_m0_1(GaugeTester):
     two_qubit_gate = cirq.CZ ** (-0.1)
     gauge_transformer = CPhaseGaugeTransformer
     sweep_must_pass = True
 
 
-class TestCPhaseGauge(GaugeTester):
+class TestCPhaseGauge_0_7(GaugeTester):
     two_qubit_gate = cirq.CZ**0.7
     gauge_transformer = CPhaseGaugeTransformer
     sweep_must_pass = True