diff --git a/test/battle/hold_effect/safety_goggles.c b/test/battle/hold_effect/safety_goggles.c
index e2d329bcf6..346e41fbfe 100644
--- a/test/battle/hold_effect/safety_goggles.c
+++ b/test/battle/hold_effect/safety_goggles.c
@@ -44,4 +44,32 @@ SINGLE_BATTLE_TEST("Safety Goggles blocks damage from Sandstorm")
     }
 }
 
-TO_DO_BATTLE_TEST("Safety Goggles blocks Effect Spore's effect");
+SINGLE_BATTLE_TEST("Safety Goggles blocks Effect Spore's effect")
+{
+    PASSES_RANDOMLY(100, 100, RNG_EFFECT_SPORE);
+    GIVEN {
+        ASSUME(MoveMakesContact(MOVE_SCRATCH));
+        PLAYER(SPECIES_WOBBUFFET) { Item(ITEM_SAFETY_GOGGLES); }
+        OPPONENT(SPECIES_BRELOOM) { Ability(ABILITY_EFFECT_SPORE); }
+    } WHEN {
+        TURN { MOVE(player, MOVE_SCRATCH); }
+        TURN {}
+    } SCENE {
+        ANIMATION(ANIM_TYPE_MOVE, MOVE_SCRATCH, player);
+        NONE_OF {
+            ABILITY_POPUP(opponent, ABILITY_EFFECT_SPORE);
+
+            ANIMATION(ANIM_TYPE_STATUS, B_ANIM_STATUS_PSN, player);
+            MESSAGE("Wobbuffet was poisoned by the opposing Breloom's Effect Spore!");
+            STATUS_ICON(player, poison: TRUE);
+
+            ANIMATION(ANIM_TYPE_STATUS, B_ANIM_STATUS_PRZ, player);
+            MESSAGE("The opposing Breloom's Effect Spore paralyzed Wobbuffet, so it may be unable to move!");
+            STATUS_ICON(player, paralysis: TRUE);
+
+            ANIMATION(ANIM_TYPE_STATUS, B_ANIM_STATUS_SLP, player);
+            MESSAGE("The opposing Breloom's Effect Spore made Wobbuffet sleep!");
+            STATUS_ICON(player, sleep: TRUE);
+        }
+    }
+}
diff --git a/test/battle/move_effect/belly_drum.c b/test/battle/move_effect/belly_drum.c
index 1580487cca..20024f5b91 100644
--- a/test/battle/move_effect/belly_drum.c
+++ b/test/battle/move_effect/belly_drum.c
@@ -130,6 +130,91 @@ SINGLE_BATTLE_TEST("Belly Drum minimizes the user's Attack stat with Contrary",
     }
 }
 
-TO_DO_BATTLE_TEST("Belly Drum maximizes the user's Attack stat, even when below 0");
-TO_DO_BATTLE_TEST("Belly Drum fails if the user's Attack is already at +6, even with Contrary");
-TO_DO_BATTLE_TEST("Belly Drum deducts HP if the user has contrary and is at -6");
+SINGLE_BATTLE_TEST("Belly Drum maximizes the user's Attack stat, even when below 0", s16 damage)
+{
+    bool32 raiseAttack;
+    PARAMETRIZE { raiseAttack = FALSE; }
+    PARAMETRIZE { raiseAttack = TRUE; }
+    GIVEN {
+        ASSUME(GetMoveCategory(MOVE_SCRATCH) == DAMAGE_CATEGORY_PHYSICAL);
+        PLAYER(SPECIES_WOBBUFFET);
+        OPPONENT(SPECIES_WOBBUFFET);
+    } WHEN {
+        if (raiseAttack) TURN { MOVE(opponent, MOVE_GROWL); MOVE(player, MOVE_BELLY_DRUM); }
+        TURN { MOVE(player, MOVE_SCRATCH); }
+    } SCENE {
+        if (raiseAttack) {
+            ANIMATION(ANIM_TYPE_MOVE, MOVE_BELLY_DRUM, player);
+            ANIMATION(ANIM_TYPE_GENERAL, B_ANIM_STATS_CHANGE, player);
+            MESSAGE("Wobbuffet cut its own HP and maximized its Attack!");
+        }
+        ANIMATION(ANIM_TYPE_MOVE, MOVE_SCRATCH, player);
+        HP_BAR(opponent, captureDamage: &results[i].damage);
+    } THEN {
+        if (raiseAttack) EXPECT_EQ(player->statStages[STAT_ATK], DEFAULT_STAT_STAGE + 6);
+    } FINALLY {
+        EXPECT_MUL_EQ(results[0].damage, Q_4_12(4), results[1].damage);
+    }
+}
+
+SINGLE_BATTLE_TEST("Belly Drum fails if the user's Attack is already at +6, even with Contrary")
+{
+    KNOWN_FAILING;
+    GIVEN {
+        ASSUME(GetMoveEffect(MOVE_CHARM) == EFFECT_ATTACK_DOWN_2);
+        PLAYER(SPECIES_SERPERIOR) { Ability(ABILITY_CONTRARY); }
+        OPPONENT(SPECIES_WOBBUFFET);
+    } WHEN {
+        TURN { MOVE(opponent, MOVE_CHARM); }
+        TURN { MOVE(opponent, MOVE_CHARM); }
+        TURN { MOVE(opponent, MOVE_CHARM); }
+        TURN { MOVE(player, MOVE_BELLY_DRUM); }
+    } SCENE {
+        ANIMATION(ANIM_TYPE_GENERAL, B_ANIM_STATS_CHANGE, player);
+        MESSAGE("Serperior's Attack sharply rose!");
+
+        ANIMATION(ANIM_TYPE_GENERAL, B_ANIM_STATS_CHANGE, player);
+        MESSAGE("Serperior's Attack sharply rose!");
+
+        ANIMATION(ANIM_TYPE_GENERAL, B_ANIM_STATS_CHANGE, player);
+        MESSAGE("Serperior's Attack sharply rose!");
+
+        MESSAGE("But it failed!");
+        NONE_OF {
+            ANIMATION(ANIM_TYPE_MOVE, MOVE_BELLY_DRUM, player);
+            HP_BAR(player);
+            ANIMATION(ANIM_TYPE_GENERAL, B_ANIM_STATS_CHANGE, player);
+        }
+    }
+}
+
+SINGLE_BATTLE_TEST("Belly Drum deducts HP if the user has Contrary and is at -6")
+{
+    KNOWN_FAILING;
+    GIVEN {
+        ASSUME(GetMoveEffect(MOVE_SWORDS_DANCE) == EFFECT_ATTACK_UP_2);
+        PLAYER(SPECIES_SERPERIOR) { Ability(ABILITY_CONTRARY); }
+        OPPONENT(SPECIES_WOBBUFFET);
+    } WHEN {
+        TURN { MOVE(player, MOVE_SWORDS_DANCE); }
+        TURN { MOVE(player, MOVE_SWORDS_DANCE); }
+        TURN { MOVE(player, MOVE_SWORDS_DANCE); }
+        TURN { MOVE(player, MOVE_BELLY_DRUM); }
+    } SCENE {
+        ANIMATION(ANIM_TYPE_GENERAL, B_ANIM_STATS_CHANGE, player);
+        MESSAGE("Serperior's Attack harshly fell!");
+
+        ANIMATION(ANIM_TYPE_GENERAL, B_ANIM_STATS_CHANGE, player);
+        MESSAGE("Serperior's Attack harshly fell!");
+
+        ANIMATION(ANIM_TYPE_GENERAL, B_ANIM_STATS_CHANGE, player);
+        MESSAGE("Serperior's Attack harshly fell!");
+
+        NOT MESSAGE("But it failed!");
+
+        ANIMATION(ANIM_TYPE_MOVE, MOVE_BELLY_DRUM, player);
+        s32 maxHP = GetMonData(&PLAYER_PARTY[0], MON_DATA_MAX_HP);
+        HP_BAR(player, hp: maxHP / 2);
+        MESSAGE("Wobbuffet cut its own HP and maximized its Attack!");
+    }
+}
diff --git a/test/battle/move_effect/bolt_beak.c b/test/battle/move_effect/bolt_beak.c
index fdd95da700..f7c11858da 100644
--- a/test/battle/move_effect/bolt_beak.c
+++ b/test/battle/move_effect/bolt_beak.c
@@ -1,5 +1,51 @@
 #include "global.h"
 #include "test/battle.h"
 
-TO_DO_BATTLE_TEST("Bolt Beak's base power is doubled if it attacks before the target");
-TO_DO_BATTLE_TEST("Bolt Beak's base power is doubled the target switches out");
+SINGLE_BATTLE_TEST("Bolt Beak's base power is doubled if it attacks before the target", s16 damage)
+{
+    u32 speed;
+    PARAMETRIZE { speed = 1; }
+    PARAMETRIZE { speed = 3; }
+    GIVEN {
+        ASSUME(GetMoveEffect(MOVE_BOLT_BEAK) == EFFECT_BOLT_BEAK);
+        PLAYER(SPECIES_DRACOZOLT) { Speed(speed); }
+        OPPONENT(SPECIES_WOBBUFFET) { Speed(2); }
+    } WHEN {
+        TURN { MOVE(player, MOVE_BOLT_BEAK); }
+    } SCENE {
+        if (speed == 1) {
+            ANIMATION(ANIM_TYPE_MOVE, MOVE_CELEBRATE, opponent);
+        }
+        ANIMATION(ANIM_TYPE_MOVE, MOVE_BOLT_BEAK, player);
+        HP_BAR(opponent, captureDamage: &results[i].damage);
+        if (speed == 3) {
+            ANIMATION(ANIM_TYPE_MOVE, MOVE_CELEBRATE, opponent);
+        }
+    } FINALLY {
+        EXPECT_MUL_EQ(results[0].damage, Q_4_12(2.0), results[1].damage);
+    }
+}
+
+SINGLE_BATTLE_TEST("Bolt Beak's base power is doubled the target switches out", s16 damage)
+{
+    bool32 switchOut;
+    PARAMETRIZE { switchOut = FALSE; }
+    PARAMETRIZE { switchOut = TRUE; }
+    GIVEN {
+        ASSUME(GetMoveEffect(MOVE_BOLT_BEAK) == EFFECT_BOLT_BEAK);
+        PLAYER(SPECIES_DRACOZOLT) { Speed(1); }
+        OPPONENT(SPECIES_WOBBUFFET) { Speed(2); }
+        OPPONENT(SPECIES_WOBBUFFET) { Speed(2); }
+    } WHEN {
+        TURN {
+            MOVE(player, MOVE_BOLT_BEAK);
+            if (switchOut)
+                SWITCH(opponent, 1);
+        }
+    } SCENE {
+        ANIMATION(ANIM_TYPE_MOVE, MOVE_BOLT_BEAK, player);
+        HP_BAR(opponent, captureDamage: &results[i].damage);
+    } FINALLY {
+        EXPECT_MUL_EQ(results[0].damage, Q_4_12(2.0), results[1].damage);
+    }
+}